| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| GLA (GLASGOW) | airport | United Kingdom | 55.87 | -4.43 | 26 | 0 | |
| GLACIER CREEK | airport | United States | 61.46 | -142.38 | 2380 | 0 | |
| GLACIER HELI TOURS | airport | United States | 48.49 | -114.00 | 3300 | 0 | |
| GLACIER PARK INTL | airport | United States | 48.31 | -114.26 | 2977 | 0 | |
| GLACIERVIEW STRIP | airport | United States | 59.76 | -151.22 | 1600 | 0 | |
| GLAD OAKS | airport | United States | 32.02 | -95.70 | 487 | 0 | |
| GLADE | airport | United States | 39.01 | -82.79 | 690 | 0 | |
| GLADE SPRINGS | airport | United States | 37.72 | -81.10 | 2550 | 0 | |
| GLADEWATER MUNI | airport | United States | 32.53 | -94.97 | 296 | 0 | |
| GLADSTONE | airport | Australia | -23.87 | 151.22 | 64 | 0 | |
| GLADWIN ZETTEL MEM | airport | United States | 43.97 | -84.48 | 776 | 0 | |
| GLASCOCK | airport | United States | 38.94 | -77.54 | 330 | 0 | |
| GLASER | airport | United States | 41.69 | -98.30 | 2035 | 0 | |
| GLASER FIELD | airport | United States | 30.91 | -97.12 | 480 | 0 | |
| GLASGOW | airport | United Kingdom | 55.87 | -4.43 | 26 | 0 | |
| GLASGOW INDUSTRIAL | airport | United States | 48.42 | -106.53 | 2762 | 0 | |
| GLASGOW MUNI | airport | United States | 37.03 | -85.95 | 715 | 0 | |
| GLASS | airport | United States | 33.36 | -97.29 | 810 | 0 | |
| GLASS RANCH | airport | United States | 28.45 | -100.15 | 800 | 0 | |
| GLASSCOCK FLD | airport | United States | 29.37 | -99.34 | 1089 | 0 | |
| GLATTHAAR | airport | United States | 39.53 | -87.81 | 765 | 0 | |
| GLAWE'S | airport | United States | 43.62 | -96.75 | 1495 | 0 | |
| GLB (SAN CARLOS APACHE) | airport | United States | 33.35 | -110.67 | 3261 | 0 | |
| GLBU (Buchanan Airport) | airport | 5.17 | -9.28 | 41 | 0 | ||
| GLC (Geladi Airport) | airport | 6.98 | 46.42 | 1383 | 0 | ||
| GLCM (Robertsport/Cape Mount Airport) | airport | 6.80 | -11.37 | 10 | 0 | ||
| GLCP (Cape Palmas Airport) | airport | 4.38 | -7.70 | 20 | 0 | ||
| GLD (RENNER FLD) | airport | United States | 39.37 | -101.70 | 3656 | 0 | |
| GLE (GAINESVILLE MUNI) | airport | United States | 33.65 | -97.20 | 845 | 0 | |
| GLEIM FIELD | airport | United States | 29.70 | -82.43 | 170 | 0 | |
| GLEN FED | airport | United States | 34.16 | -118.25 | 770 | 0 | |
| GLEN INNES | airport | Australia | -29.68 | 151.69 | 3433 | 0 | |
| GLEN OAKS | airport | United States | 42.49 | -83.47 | 920 | 0 | |
| GLEN ROSE MEDICAL CENTER | airport | United States | 32.24 | -97.75 | 619 | 0 | |
| GLEN ULLIN REGIONAL | airport | United States | 46.81 | -101.86 | 2089 | 0 | |
| GLEN-ASPEN | airport | United States | 39.39 | -107.16 | 6835 | 0 | |
| GLENAIR | airport | United States | 39.27 | -77.01 | 590 | 0 | |
| GLENCOE MUNI | airport | United States | 44.76 | -94.08 | 992 | 0 | |
| GLENDALE ADVENTIST MEDICAL CENTER/GAMC | airport | United States | 34.15 | -118.23 | 717 | 0 | |
| GLENDALE FIELD | airport | United States | 35.53 | -86.98 | 750 | 0 | |
| GLENDALE FOKKER FIELD | airport | United States | 39.95 | -80.76 | 648 | 0 | |
| GLENDALE MUNI | airport | United States | 33.53 | -112.30 | 1071 | 0 | |
| GLENDALE PLAZA EMERGENCY | airport | United States | 34.16 | -118.26 | 904 | 0 | |
| GLENMAR | airport | United States | 33.11 | -95.93 | 531 | 0 | |
| GLENMAR RANCH | airport | United States | 40.34 | -112.00 | 5030 | 0 | |
| GLENN WINCHESTER | airport | United States | 33.88 | -93.93 | 365 | 0 | |
| GLENN'S STRIP | airport | United States | 30.21 | -92.21 | 29 | 0 | |
| GLENNDALE | airport | United States | 40.43 | -86.20 | 850 | 0 | |
| GLENNS FERRY MUNI | airport | United States | 42.95 | -115.33 | 2536 | 0 | |
| GLENOAKS MEDICAL CENTER | airport | United States | 41.91 | -88.06 | 734 | 0 | |
| GLENTANNER | airport | New Zealand | -43.91 | 170.13 | 1824 | 0 | |
| GLENWOOD MUNI | airport | United States | 45.64 | -95.32 | 1393 | 0 | |
| GLENWOOD SPRINGS MUNI | airport | United States | 39.51 | -107.31 | 5916 | 0 | |
| GLENWOOD-CATRON COUNTY | airport | United States | 33.35 | -108.87 | 5428 | 0 | |
| GLF (GOLFITO) | airport | Costa Rica | 8.65 | -83.18 | 49 | 0 | |
| GLG (Glengyle Airport) | airport | -24.81 | 139.60 | 91 | 0 | ||
| GLGE (Greenville Sinoe Airport) | airport | 5.03 | -9.07 | 10 | 0 | ||
| GLH (MID DELTA RGNL) | airport | United States | 33.48 | -90.99 | 131 | 0 | |
| GLI (GLEN INNES) | airport | Australia | -29.68 | 151.69 | 3433 | 0 | |
| GLIDE AERO | airport | United States | 43.26 | -123.11 | 980 | 0 | |
| GLIDWELL FLYING SERVICE | airport | United States | 34.10 | -90.70 | 160 | 0 | |
| GLISY | airport | France | 49.87 | 2.39 | 208 | 0 | |
| GLK (Galcaio Airport) | airport | 6.78 | 47.45 | 975 | 0 | ||
| GLL (Gol Airport) | airport | 60.79 | 9.05 | 2720 | 0 | ||
| GLLB (Lamco Airport) | airport | 5.87 | -10.05 | 30 | 0 | ||
| GLM (Glenormiston Airport) | airport | -22.89 | 138.82 | 158 | 0 | ||
| GLMR (MONROVIA SPRIGGS PAYNE) | airport | Liberia | 6.29 | -10.76 | 25 | 0 | |
| GLNA (Nimba Airport) | airport | 7.50 | -8.60 | 1632 | 0 | ||
| GLO (GLOUCESTERSHIRE) | airport | United Kingdom | 51.89 | -2.17 | 101 | 0 | |
| GLOBAL DEVELOPMENT FACILITY | airport | United States | 41.34 | -72.09 | 14 | 0 | |
| GLOSTER AERODROME | airport | United States | 29.73 | -96.06 | 145 | 0 | |
| GLOUCESTERSHIRE | airport | United Kingdom | 51.89 | -2.17 | 101 | 0 | |
| GLOVER | airport | United States | 36.53 | -77.45 | 120 | 0 | |
| GLOVER | airport | United States | 33.13 | -95.02 | 400 | 0 | |
| GLOWACKI | airport | United States | 43.00 | -84.60 | 775 | 0 | |
| GLP (Gulgubip Airport) | airport | -5.28 | 141.54 | 4900 | 0 | ||
| GLR (GAYLORD RGNL) | airport | United States | 45.01 | -84.70 | 1328 | 0 | |
| GLRB (MONROVIA ROBERTS INTL) | airport | Liberia | 6.23 | -10.36 | 31 | 0 | |
| GLS (SCHOLES INTL AT GALVESTON) | airport | United States | 29.27 | -94.86 | 6 | 0 | |
| GLST (Sasstown Airport) | airport | 4.67 | -8.43 | 6 | 0 | ||
| GLT (GLADSTONE) | airport | Australia | -23.87 | 151.22 | 64 | 0 | |
| GLTN (Tchien Airport) | airport | 6.05 | -8.14 | 790 | 0 | ||
| GLU (Gelephu Airport) | airport | 26.88 | 90.46 | 980 | 0 | ||
| GLV (GOLOVIN) | airport | United States | 64.55 | -163.01 | 59 | 0 | |
| GLVA (Voinjama Airport) | airport | 8.40 | -9.77 | 1400 | 0 | ||
| GLW (GLASGOW MUNI) | airport | United States | 37.03 | -85.95 | 715 | 0 | |
| GLX (Gamarmalamo Airport) | airport | 1.84 | 127.79 | 180 | 0 | ||
| GLZ (GILZE RIJEN) | airport | Netherlands | 51.57 | 4.93 | 49 | 0 | |
| GLukhoye | city | Dnipropetrovs'ka Oblast' | Ukraine | 47.68 | 34.80 | 377 | 6880 |
| GLung | city | Gia Lai | Vietnam | 13.64 | 108.51 | 830 | 7152 |