| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| CL Heliport | airport | -23.22 | -45.91 | 1993 | 0 | ||
| CLA (Comilla Airport) | airport | 23.44 | 91.19 | 25 | 0 | ||
| CLACKAMAS HEIGHTS | airport | United States | 45.37 | -122.55 | 545 | 0 | |
| CLAM HARBOR | airport | United States | 48.62 | -122.95 | 220 | 0 | |
| CLAPPER | airport | United States | 40.15 | -88.52 | 710 | 0 | |
| CLARE CO | airport | United States | 44.05 | -84.81 | 1142 | 0 | |
| CLARE MUNI | airport | United States | 43.83 | -84.74 | 857 | 0 | |
| CLAREMONT MUNI | airport | United States | 43.37 | -72.37 | 545 | 0 | |
| CLAREMORE RGNL | airport | United States | 36.29 | -95.48 | 733 | 0 | |
| CLAREMORE RGNL HOSPITAL | airport | United States | 36.32 | -95.60 | 620 | 0 | |
| CLARENCE A BAIN | airport | Bahamas, The | 24.29 | -77.68 | 19 | 0 | |
| CLARENCE AERODROME | airport | United States | 43.07 | -78.68 | 589 | 0 | |
| CLARENCE E PAGE MUNI | airport | United States | 35.49 | -97.82 | 1354 | 0 | |
| CLARENCE E PAGE MUNI | airport | United States | 35.49 | -97.82 | 1353 | 0 | |
| CLARENDON MEMORIAL HOSPITAL | airport | United States | 33.69 | -80.21 | 190 | 0 | |
| CLARENDON MUNI | airport | United States | 34.65 | -91.39 | 217 | 0 | |
| CLARENVILLE | airport | Canada | 48.27 | -53.92 | 199 | 0 | |
| CLARESHOLM INDUS | airport | Canada | 50.00 | -113.63 | 3325 | 0 | |
| CLARIAN WEST MEDICAL CENTER | airport | United States | 39.76 | -86.40 | 832 | 0 | |
| CLARION | airport | United States | 38.62 | -90.19 | 500 | 0 | |
| CLARION COUNTY | airport | United States | 41.23 | -79.44 | 1458 | 0 | |
| CLARION FIELD | airport | United States | 41.53 | -89.20 | 800 | 0 | |
| CLARION MUNI | airport | United States | 42.74 | -93.76 | 1162 | 0 | |
| CLARISSA MUNI | airport | United States | 46.11 | -94.91 | 1308 | 0 | |
| CLARK | airport | United States | 40.33 | -90.83 | 570 | 0 | |
| CLARK | airport | United States | 40.19 | -86.52 | 880 | 0 | |
| CLARK | airport | United States | 47.06 | -108.82 | 3450 | 0 | |
| CLARK | airport | United States | 42.87 | -71.18 | 320 | 0 | |
| CLARK | airport | United States | 33.13 | -97.30 | 705 | 0 | |
| CLARK COUNTY | airport | United States | 44.90 | -97.71 | 1792 | 0 | |
| CLARK FIELD | airport | United States | 43.73 | -70.49 | 250 | 0 | |
| CLARK FIELD | airport | United States | 44.22 | -69.29 | 54 | 0 | |
| CLARK FLD MUNI | airport | United States | 32.22 | -98.18 | 1321 | 0 | |
| CLARK FORK VALLEY HOSPITAL | airport | United States | 47.47 | -114.89 | 2462 | 0 | |
| CLARK HILL | airport | United States | 41.64 | -72.56 | 720 | 0 | |
| CLARK INTL | airport | Philippines | 15.19 | 120.56 | 484 | 0 | |
| CLARK RANCH | airport | United States | 36.36 | -121.31 | 276 | 0 | |
| CLARK RGNL | airport | United States | 38.37 | -85.74 | 474 | 0 | |
| CLARK RGNL MEDICAL CENTER | airport | United States | 38.00 | -84.20 | 1000 | 0 | |
| CLARK SKY RANCH | airport | United States | 29.74 | -96.06 | 145 | 0 | |
| CLARKE | airport | United States | 41.99 | -88.10 | 805 | 0 | |
| CLARKE CO | airport | United States | 32.08 | -88.74 | 320 | 0 | |
| CLARKE COUNTY HOSPITAL | airport | United States | 41.03 | -93.77 | 1134 | 0 | |
| CLARKS DREAM STRIP | airport | United States | 39.64 | -83.02 | 680 | 0 | |
| CLARKS POINT | airport | United States | 58.83 | -158.53 | 80 | 0 | |
| CLARKSVILLE | airport | United States | 30.46 | -85.18 | 90 | 0 | |
| CLARKSVILLE MUNI | airport | United States | 35.47 | -93.43 | 481 | 0 | |
| CLARKSVILLE RED RIVER J D TRISSELL FLD | airport | United States | 33.59 | -95.06 | 440 | 0 | |
| CLASSIC AIRSTRIP | airport | United States | 35.83 | -90.55 | 260 | 0 | |
| CLASSIC LANDINGS | airport | United States | 41.16 | -88.02 | 635 | 0 | |
| CLAUCHERTY | airport | United States | 42.08 | -84.83 | 988 | 0 | |
| CLAVEL RANCH | airport | United States | 36.05 | -103.89 | 5534 | 0 | |
| CLAXTON EVANS CO | airport | United States | 32.20 | -81.87 | 112 | 0 | |
| CLAY | airport | United States | 31.58 | -90.11 | 201 | 0 | |
| CLAY CNTR MUNI | airport | United States | 39.39 | -97.16 | 1208 | 0 | |
| CLAY COUNTY HOSPITAL | airport | United States | 33.27 | -85.83 | 1040 | 0 | |
| CLAY COUNTY HOSPITAL | airport | United States | 38.68 | -88.47 | 475 | 0 | |
| CLAY COUNTY RGNL | airport | United States | 39.33 | -94.31 | 777 | 0 | |
| CLAY'S RV | airport | United States | 40.86 | -81.60 | 1035 | 0 | |
| CLAYTON | airport | United States | 33.60 | -114.65 | 261 | 0 | |
| CLAYTON | airport | United States | 33.54 | -84.35 | 940 | 0 | |
| CLAYTON CO TARA FLD | airport | United States | 33.39 | -84.33 | 874 | 0 | |
| CLAYTON LAKE STRIP | airport | United States | 46.62 | -69.52 | 1150 | 0 | |
| CLAYTON MUNI | airport | United States | 31.88 | -85.48 | 435 | 0 | |
| CLAYTON MUNI AIRPARK | airport | United States | 36.45 | -103.17 | 4965 | 0 | |
| CLB (Castlebar Airport) | airport | 53.85 | -9.28 | 0 | |||
| CLD (MC CLELLAN PALOMAR) | airport | United States | 33.13 | -117.28 | 331 | 0 | |
| CLE (CLEVELAND HOPKINS INTL) | airport | United States | 41.41 | -81.85 | 791 | 0 | |
| CLE ELUM MUNI | airport | United States | 47.19 | -120.88 | 1944 | 0 | |
| CLEAR | airport | United States | 64.30 | -149.12 | 552 | 0 | |
| CLEAR CREEK | airport | United States | 64.45 | -147.56 | 660 | 0 | |
| CLEAR CREEK RANCH | airport | United States | 37.25 | -112.82 | 6138 | 0 | |
| CLEAR FORK RANCH | airport | United States | 32.73 | -97.65 | 850 | 0 | |
| CLEAR LAKE | airport | United States | 41.73 | -84.86 | 1050 | 0 | |
| CLEAR LAKE | airport | United States | 41.74 | -84.84 | 1037 | 0 | |
| CLEAR LAKE MUNI | airport | United States | 44.77 | -96.69 | 1801 | 0 | |
| CLEAR LAKE RGNL MEDICAL CENTER | airport | United States | 29.54 | -95.13 | 51 | 0 | |
| CLEAR MOORE CORP. KENNETH MOORE | airport | United States | 37.17 | -76.47 | 47 | 0 | |
| CLEAR SKY LODGE | airport | United States | 64.26 | -149.19 | 650 | 0 | |
| CLEAR VIEW FARM | airport | United States | 38.81 | -94.76 | 1060 | 0 | |
| CLEARFIELD HOSPITAL | airport | United States | 41.03 | -78.40 | 1161 | 0 | |
| CLEARFIELD LAWRENCE | airport | United States | 41.05 | -78.41 | 1516 | 0 | |
| CLEARVIEW AIRPARK | airport | United States | 39.47 | -77.02 | 799 | 0 | |
| CLEARWATER | airport | United States | 63.03 | -147.18 | 2900 | 0 | |
| CLEARWATER | airport | Canada | 46.71 | -66.83 | 1330 | 0 | |
| CLEARWATER AERO ESTATES | airport | United States | 43.76 | -89.65 | 944 | 0 | |
| CLEARWATER AIR PARK | airport | United States | 27.98 | -82.76 | 71 | 0 | |
| CLEARWATER AIRPARK | airport | United States | 39.13 | -84.09 | 905 | 0 | |
| CLEARWATER VALLEY HOSPITAL | airport | United States | 46.49 | -116.25 | 1005 | 0 | |
| CLEBURNE MUNI | airport | United States | 32.35 | -97.43 | 854 | 0 | |
| CLEMENTS | airport | United States | 38.34 | -76.74 | 105 | 0 | |
| CLEMENTS CREEK | airport | United States | 39.02 | -76.52 | 0 | 0 | |
| CLERMONT | airport | Australia | -22.77 | 147.62 | 908 | 0 | |
| CLERMONT CO | airport | United States | 39.08 | -84.21 | 844 | 0 | |
| CLEVE | airport | Australia | -33.71 | 136.50 | 589 | 0 | |
| CLEVELAND | airport | United States | 29.30 | -98.18 | 600 | 0 | |
| CLEVELAND AREA HOSPITAL | airport | United States | 36.32 | -96.50 | 960 | 0 | |
| CLEVELAND CLINIC FLORIDA HOSPITAL | airport | United States | 26.09 | -80.37 | 8 | 0 | |
| CLEVELAND CLINIC FOUNDATION | airport | United States | 41.50 | -81.64 | 743 | 0 | |
| CLEVELAND HOPKINS INTL | airport | United States | 41.41 | -81.85 | 791 | 0 | |
| CLEVELAND MUNI | airport | United States | 30.36 | -95.01 | 150 | 0 | |
| CLEVELAND MUNI | airport | United States | 33.76 | -90.76 | 140 | 0 | |
| CLEVELAND MUNI | airport | United States | 36.28 | -96.46 | 912 | 0 | |
| CLEVELAND POLICE DEPT 6TH DISTRICT | airport | United States | 41.55 | -81.57 | 655 | 0 | |
| CLEVENGER | airport | United States | 38.95 | -94.25 | 990 | 0 | |
| CLG (NEW COALINGA MUNI) | airport | United States | 36.16 | -120.29 | 622 | 0 | |
| CLH (Coolah Airport) | airport | -31.77 | 149.61 | 504 | 0 | ||
| CLI (CLINTONVILLE MUNI) | airport | United States | 44.61 | -88.73 | 822 | 0 | |
| CLIFF DOW | airport | United States | 43.95 | -70.32 | 415 | 0 | |
| CLIFF DWELLERS LODGE | airport | United States | 36.73 | -111.75 | 4217 | 0 | |
| CLIFF HATFIELD MEM | airport | United States | 33.13 | -115.52 | -182 | 0 | |
| CLIFF SCOTT | airport | United States | 39.74 | -93.99 | 1000 | 0 | |
| CLIFFORD FIELD | airport | United States | 38.57 | -107.96 | 5560 | 0 | |
| CLIFFORDS | airport | United States | 44.07 | -70.06 | 280 | 0 | |
| CLIFTON | airport | United States | 40.52 | -87.41 | 760 | 0 | |
| CLIFTON MUNI ISENHOWER FLD | airport | United States | 31.82 | -97.57 | 760 | 0 | |
| CLINCH VALLEY MEDICAL CENTER | airport | United States | 37.09 | -81.82 | 1965 | 0 | |
| CLINE FALLS AIR PARK | airport | United States | 44.28 | -121.27 | 2920 | 0 | |
| CLINESMITH RANCH | airport | United States | 46.92 | -118.09 | 1600 | 0 | |
| CLINTON | airport | United States | 39.71 | -87.40 | 526 | 0 | |
| CLINTON CO | airport | United States | 44.69 | -73.52 | 371 | 0 | |
| CLINTON COUNTY FAIRGROUNDS | airport | United States | 40.27 | -86.51 | 868 | 0 | |
| CLINTON COUNTY HOSPITAL | airport | United States | 36.70 | -85.15 | 597 | 0 | |
| CLINTON ELKS LODGE | airport | United States | 40.60 | -74.92 | 37 | 0 | |
| CLINTON FLD | airport | United States | 39.50 | -83.86 | 1033 | 0 | |
| CLINTON HOSPITAL | airport | United States | 42.43 | -71.69 | 368 | 0 | |
| CLINTON MEM | airport | United States | 38.36 | -93.68 | 822 | 0 | |
| CLINTON MEMORIAL HOSPITAL | airport | United States | 39.44 | -83.84 | 1022 | 0 | |
| CLINTON MUNI | airport | United States | 35.60 | -92.45 | 514 | 0 | |
| CLINTON MUNI | airport | United States | 35.60 | -92.45 | 514 | 0 | |
| CLINTON MUNI | airport | United States | 41.83 | -90.33 | 708 | 0 | |
| CLINTON POWER STATION | airport | United States | 40.17 | -88.84 | 737 | 0 | |
| CLINTON RGNL | airport | United States | 35.54 | -98.93 | 1615 | 0 | |
| CLINTON SHERMAN | airport | United States | 35.34 | -99.20 | 1922 | 0 | |
| CLINTON-HICKMAN COUNTY | airport | United States | 36.64 | -89.00 | 360 | 0 | |
| CLINTONVILLE COMMUNITY HOSPITAL | airport | United States | 44.62 | -88.76 | 822 | 0 | |
| CLINTONVILLE MUNI | airport | United States | 44.61 | -88.73 | 822 | 0 | |
| CLIO CROP CARE | airport | United States | 34.56 | -79.54 | 192 | 0 | |
| CLJ (CLUJ NAPOCA) | airport | Romania | 46.79 | 23.69 | 1036 | 0 | |
| CLK (CLINTON RGNL) | airport | United States | 35.54 | -98.93 | 1615 | 0 | |
| CLL (EASTERWOOD FLD) | airport | United States | 30.59 | -96.36 | 321 | 0 | |
| CLM (WILLIAM R FAIRCHILD INTL) | airport | United States | 48.12 | -123.50 | 291 | 0 | |
| CLN (CAROLINA) | airport | Brazil | -7.32 | -47.46 | 565 | 0 | |
| CLNG COVE POINT | airport | United States | 38.39 | -76.41 | 133 | 0 | |
| CLO (ALFONSO BONILLA ARAGON INTL) | airport | Colombia | 3.54 | -76.38 | 3162 | 0 | |
| CLONCURRY | airport | Australia | -20.67 | 140.50 | 616 | 0 | |
| CLOQUET CARLTON CO | airport | United States | 46.70 | -92.50 | 1279 | 0 | |
| CLOUD | airport | United States | 38.85 | -95.47 | 1020 | 0 | |
| CLOUD 9 | airport | United States | 38.57 | -94.78 | 1050 | 0 | |
| CLOUD DANCER PVT | airport | United States | 45.31 | -91.59 | 1050 | 0 | |
| CLOUD NINE | airport | United States | 46.76 | -100.66 | 1830 | 0 | |
| CLOUD NINE FIELD | airport | United States | 42.55 | -84.13 | 910 | 0 | |
| CLOUDBOUND | airport | United States | 39.78 | -77.28 | 600 | 0 | |
| CLOUDMONT AIRPARK | airport | United States | 34.53 | -85.59 | 1692 | 0 | |
| CLOVER KNOLL | airport | United States | 39.53 | -86.83 | 880 | 0 | |
| CLOVER LAKE FARMS | airport | United States | 29.23 | -95.48 | 38 | 0 | |
| CLOVER VALLEY | airport | United States | 42.81 | -88.73 | 850 | 0 | |
| CLOVERDALE FARM | airport | United States | 42.99 | -75.70 | 1465 | 0 | |
| CLOVERDALE MUNI | airport | United States | 38.78 | -122.99 | 272 | 0 | |
| CLOVERLEAF RANCH | airport | United States | 41.24 | -89.54 | 807 | 0 | |
| CLOVERLEAF-EAST BEMIDJI | airport | United States | 47.44 | -94.81 | 1445 | 0 | |
| CLOVIS MUNI | airport | United States | 34.43 | -103.08 | 4216 | 0 | |
| CLP (CLARKS POINT) | airport | United States | 58.83 | -158.53 | 80 | 0 | |
| CLQ (COLIMA) | airport | Mexico | 19.28 | -103.58 | 2467 | 0 | |
| CLR (CLIFF HATFIELD MEM) | airport | United States | 33.13 | -115.52 | -182 | 0 | |
| CLS (CHEHALIS CENTRALIA) | airport | United States | 46.68 | -122.98 | 176 | 0 | |
| CLT (CHARLOTTE DOUGLAS INTL) | airport | United States | 35.21 | -80.94 | 748 | 0 | |
| CLU (COLUMBUS MUNI) | airport | United States | 39.26 | -85.90 | 656 | 0 | |
| CLUB HOUSE NR 1 | airport | United States | 29.56 | -95.25 | 45 | 0 | |
| CLUCK RANCH | airport | United States | 36.18 | -101.69 | 3423 | 0 | |
| CLUJ NAPOCA | airport | Romania | 46.79 | 23.69 | 1036 | 0 | |
| CLUM | airport | United States | 39.88 | -82.41 | 1115 | 0 | |
| CLUTE'S HILLTOP | airport | United States | 35.43 | -81.85 | 1078 | 0 | |
| CLV (Nelson Ribeiro Guimarães Airport) | airport | -17.73 | -48.61 | 2247 | 0 | ||
| CLW (CLEARWATER AIR PARK) | airport | United States | 27.98 | -82.76 | 71 | 0 | |
| CLX (Clorinda Airport) | airport | -25.30 | -57.73 | 206 | 0 | ||
| CLY (SAINT CATHERINE) | airport | France | 42.53 | 8.79 | 209 | 0 | |
| CLYDE RIVER | airport | Canada | 70.49 | -68.52 | 87 | 0 | |
| CLYDE VALLEY | airport | United States | 35.69 | -81.71 | 1100 | 0 | |
| CLZ (CALABOZO) | airport | Venezuela | 8.92 | -67.42 | 328 | 0 |