| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| KLAF (PURDUE UNIV) | airport | United States | 40.41 | -86.94 | 606 | 0 | |
| KLAL (LAKELAND LINDER RGNL) | airport | United States | 27.99 | -82.02 | 142 | 0 | |
| KLAMAR FIELD | airport | United States | 48.37 | -95.79 | 1160 | 0 | |
| KLAMATH FALLS | airport | United States | 42.16 | -121.73 | 4095 | 0 | |
| KLAN (CAPITAL CITY) | airport | United States | 42.78 | -84.59 | 861 | 0 | |
| KLAR (LARAMIE RGNL) | airport | United States | 41.31 | -105.67 | 7284 | 0 | |
| KLAS (MC CARRAN INTL) | airport | United States | 36.08 | -115.15 | 2141 | 0 | |
| KLAS CHANNEL 8 | airport | United States | 36.13 | -115.16 | 2100 | 0 | |
| KLAVERACK | airport | United States | 42.26 | -73.70 | 250 | 0 | |
| KLAWOCK | airport | United States | 55.55 | -133.10 | 0 | 0 | |
| KLAWOCK | airport | United States | 55.58 | -133.08 | 80 | 0 | |
| KLAX (LOS ANGELES INTL) | airport | United States | 33.94 | -118.41 | 126 | 0 | |
| KLBB (LUBBOCK PRESTON SMITH INTL) | airport | United States | 33.66 | -101.82 | 3282 | 0 | |
| KLBE (ARNOLD PALMER RGNL) | airport | United States | 40.28 | -79.40 | 1185 | 0 | |
| KLBF (NORTH PLATTE RGNL ARPT LEE BIRD FLD) | airport | United States | 41.13 | -100.68 | 2776 | 0 | |
| KLBL (LIBERAL MUNI) | airport | United States | 37.04 | -100.96 | 2885 | 0 | |
| KLCH (LAKE CHARLES RGNL) | airport | United States | 30.13 | -93.22 | 15 | 0 | |
| KLCK (RICKENBACKER INTL) | airport | United States | 39.81 | -82.93 | 744 | 0 | |
| KLEB (LEBANON MUNI) | airport | United States | 43.63 | -72.30 | 603 | 0 | |
| KLEBERG CO | airport | United States | 27.55 | -98.03 | 131 | 0 | |
| KLEIN | airport | United States | 38.65 | -87.56 | 412 | 0 | |
| KLEIS | airport | United States | 42.30 | -90.75 | 1050 | 0 | |
| KLEX (BLUE GRASS) | airport | United States | 38.04 | -84.61 | 979 | 0 | |
| KLFI (LANGLEY AFB) | airport | United States | 37.08 | -76.36 | 11 | 0 | |
| KLFT (LAFAYETTE RGNL) | airport | United States | 30.21 | -91.99 | 43 | 0 | |
| KLG (KALSKAG) | airport | United States | 61.54 | -160.34 | 55 | 0 | |
| KLGA (LA GUARDIA) | airport | United States | 40.78 | -73.87 | 22 | 0 | |
| KLGB (LONG BEACH) | airport | United States | 33.82 | -118.15 | 60 | 0 | |
| KLIES AIR STRIP | airport | United States | 46.35 | -112.34 | 6300 | 0 | |
| KLINE FIELD | airport | United States | 41.39 | -84.83 | 825 | 0 | |
| KLINE KILL | airport | United States | 42.35 | -73.64 | 380 | 0 | |
| KLIT (ADAMS FLD) | airport | United States | 34.73 | -92.22 | 262 | 0 | |
| KLL (LEVELOCK) | airport | United States | 59.13 | -156.86 | 39 | 0 | |
| KLMT (KLAMATH FALLS) | airport | United States | 42.16 | -121.73 | 4095 | 0 | |
| KLN (LARSEN BAY) | airport | United States | 57.54 | -153.98 | 87 | 0 | |
| KLNK (LINCOLN) | airport | United States | 40.85 | -96.76 | 1219 | 0 | |
| KLNS (LANCASTER) | airport | United States | 40.12 | -76.30 | 403 | 0 | |
| KLOCKNER | airport | United States | 33.71 | -83.58 | 740 | 0 | |
| KLOKER | airport | United States | 39.92 | -90.51 | 440 | 0 | |
| KLOPFENSTEIN | airport | United States | 40.77 | -86.92 | 685 | 0 | |
| KLOU (BOWMAN FLD) | airport | United States | 38.23 | -85.66 | 546 | 0 | |
| KLOZ (LONDON CORBIN ARPT MAGEE FLD) | airport | United States | 37.08 | -84.08 | 1212 | 0 | |
| KLRD (LAREDO INTL) | airport | United States | 27.54 | -99.46 | 508 | 0 | |
| KLRF (LITTLE ROCK AFB) | airport | United States | 34.92 | -92.15 | 311 | 0 | |
| KLRU (LAS CRUCES INTL) | airport | United States | 32.29 | -106.92 | 4456 | 0 | |
| KLS (KELSO LONGVIEW) | airport | United States | 46.12 | -122.90 | 20 | 0 | |
| KLSE (LA CROSSE MUNI) | airport | United States | 43.88 | -91.26 | 654 | 0 | |
| KLSF (LAWSON AAF) | airport | United States | 32.34 | -84.99 | 232 | 0 | |
| KLSV (NELLIS AFB) | airport | United States | 36.24 | -115.03 | 1870 | 0 | |
| KLTS (ALTUS AFB) | airport | United States | 34.67 | -99.27 | 1382 | 0 | |
| KLUF (LUKE AFB) | airport | United States | 33.53 | -112.38 | 1085 | 0 | |
| KLUK (CINCINNATI MUNI LUNKEN FLD) | airport | United States | 39.10 | -84.42 | 483 | 0 | |
| KLUMPP | airport | United States | 30.53 | -87.85 | 111 | 0 | |
| KLUTTS FIELD | airport | United States | 32.84 | -96.38 | 495 | 0 | |
| KLW (KLAWOCK) | airport | United States | 55.58 | -133.08 | 80 | 0 | |
| KLWM (LAWRENCE MUNI) | airport | United States | 42.72 | -71.12 | 148 | 0 | |
| KLWT (LEWISTOWN MUNI) | airport | United States | 47.05 | -109.47 | 4170 | 0 | |
| KLYH (LYNCHBURG RGNL PRESTON GLENN FLD) | airport | United States | 37.33 | -79.20 | 938 | 0 |