| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| KO-KEE | airport | United States | 28.59 | -82.15 | 72 | 0 | |
| KOA (KONA INTL AT KEAHOLE) | airport | United States | 19.74 | -156.05 | 47 | 0 | |
| KOAK (METROPOLITAN OAKLAND INTL) | airport | United States | 37.72 | -122.22 | 9 | 0 | |
| KOALA-T-FIELD | airport | United States | 39.04 | -91.13 | 690 | 0 | |
| KOBELT | airport | United States | 41.63 | -74.13 | 420 | 0 | |
| KOBOK | airport | United States | 1.10 | 127.70 | 114 | 0 | |
| KOBUK | airport | United States | 66.91 | -156.90 | 137 | 0 | |
| KOCH | airport | United States | 42.46 | -89.19 | 800 | 0 | |
| KOCH | airport | United States | 30.53 | -92.37 | 51 | 0 | |
| KOCH'S PERSONAL FIELD | airport | United States | 44.66 | -96.04 | 1130 | 0 | |
| KODIAK | airport | United States | 57.75 | -152.49 | 78 | 0 | |
| KODIAK /LILLY LAKE/ | airport | United States | 57.80 | -152.38 | 130 | 0 | |
| KODIAK EMERGENCY/SPRUCE CAPE | airport | United States | 57.81 | -152.35 | 41 | 0 | |
| KODIAK MUNI | airport | United States | 57.81 | -152.37 | 139 | 0 | |
| KOENIG | airport | United States | 40.11 | -102.73 | 4150 | 0 | |
| KOENIG | airport | United States | 39.06 | -90.34 | 614 | 0 | |
| KOENIG AIRPARK | airport | United States | 30.60 | -90.32 | 100 | 0 | |
| KOFF (OFFUTT AFB) | airport | United States | 41.12 | -95.91 | 1052 | 0 | |
| KOGD (OGDEN HINCKLEY) | airport | United States | 41.20 | -112.01 | 4473 | 0 | |
| KOGGIUNG | airport | United States | 58.87 | -157.01 | 30 | 0 | |
| KOHLHAAS | airport | United States | 42.95 | -94.17 | 1153 | 0 | |
| KOINZAN | airport | United States | 41.98 | -98.08 | 1919 | 0 | |
| KOKC (WILL ROGERS WORLD) | airport | United States | 35.39 | -97.60 | 1295 | 0 | |
| KOKE | airport | United States | 41.07 | -96.25 | 1265 | 0 | |
| KOKHANOK | airport | United States | 59.43 | -154.80 | 115 | 0 | |
| KOKOMO MUNI | airport | United States | 40.53 | -86.06 | 830 | 0 | |
| KOLB | airport | United States | 40.16 | -75.55 | 290 | 0 | |
| KOLD (DEWITT FLD OLD TOWN MUNI) | airport | United States | 44.95 | -68.67 | 126 | 0 | |
| KOLIBRI | airport | United States | 33.58 | -84.91 | 1100 | 0 | |
| KOLIGANEK | airport | United States | 59.73 | -157.26 | 269 | 0 | |
| KOLLAR'S SHOREVIEW MARINE | airport | United States | 45.03 | -93.13 | 886 | 0 | |
| KOLLER | airport | United States | 42.99 | -88.42 | 980 | 0 | |
| KOLLMEYER | airport | United States | 38.88 | -92.99 | 810 | 0 | |
| KOLM (OLYMPIA) | airport | United States | 46.97 | -122.90 | 209 | 0 | |
| KOLU (COLUMBUS MUNI) | airport | United States | 41.45 | -97.34 | 1444 | 0 | |
| KOMA (EPPLEY AFLD) | airport | United States | 41.30 | -95.89 | 984 | 0 | |
| KOMO TV | airport | United States | 47.62 | -122.34 | 363 | 0 | |
| KONA INTL AT KEAHOLE | airport | United States | 19.74 | -156.05 | 47 | 0 | |
| KONGIGANAK | airport | United States | 59.96 | -162.88 | 30 | 0 | |
| KONOCTI - CLEAR LAKE | airport | United States | 38.98 | -122.72 | 1326 | 0 | |
| KONT (ONTARIO INTL) | airport | United States | 34.06 | -117.60 | 944 | 0 | |
| KOONS | airport | United States | 40.88 | -80.88 | 1327 | 0 | |
| KOOSKIA MUNI | airport | United States | 46.13 | -115.98 | 1263 | 0 | |
| KOOTENAI MEDICAL CENTER | airport | United States | 47.70 | -116.79 | 2230 | 0 | |
| KOPPIE | airport | United States | 42.12 | -88.38 | 890 | 0 | |
| KOQU (QUONSET STATE) | airport | United States | 41.60 | -71.41 | 18 | 0 | |
| KORD (CHICAGO OHARE INTL) | airport | United States | 41.98 | -87.90 | 668 | 0 | |
| KORF (NORFOLK INTL) | airport | United States | 36.89 | -76.20 | 26 | 0 | |
| KORH (WORCESTER RGNL) | airport | United States | 42.27 | -71.88 | 1009 | 0 | |
| KORNASOREN | airport | United States | -0.94 | 134.87 | 13 | 0 | |
| KORNEGAY PRIVATE | airport | United States | 26.15 | -97.59 | 30 | 0 | |
| KORNKVEN AIRSTRIP | airport | United States | 48.89 | -100.70 | 1505 | 0 | |
| KORVER | airport | United States | 40.56 | -96.49 | 1390 | 0 | |
| KOSCIUSKO ATTALA CO | airport | United States | 33.09 | -89.54 | 480 | 0 | |
| KOSCIUSKO COMMUNITY HOSPITAL | airport | United States | 41.25 | -85.83 | 839 | 0 | |
| KOSH (WITTMAN RGNL) | airport | United States | 43.98 | -88.56 | 808 | 0 | |
| KOSIK PRIVATE | airport | United States | 41.24 | -82.27 | 855 | 0 | |
| KOSTROSKI | airport | United States | 39.37 | -104.68 | 6700 | 0 | |
| KOSU (OHIO STATE UNIVERSITY) | airport | United States | 40.08 | -83.07 | 905 | 0 | |
| KOT (KOTLIK) | airport | United States | 63.03 | -163.53 | 15 | 0 | |
| KOTH (SOUTHWEST OREGON RGNL) | airport | United States | 43.42 | -124.25 | 17 | 0 | |
| KOTLIK | airport | United States | 63.03 | -163.53 | 15 | 0 | |
| KOTM (OTTUMWA INDUSTRIAL) | airport | United States | 41.11 | -92.45 | 845 | 0 | |
| KOVR | airport | United States | 38.59 | -121.55 | 20 | 0 | |
| KOWB (OWENSBORO DAVIESS CO) | airport | United States | 37.74 | -87.17 | 406 | 0 | |
| KOY (OLGA BAY) | airport | United States | 57.16 | -154.23 | 0 | 0 | |
| KOYUK ALFRED ADAMS | airport | United States | 64.94 | -161.15 | 154 | 0 | |
| KOYUKUK | airport | United States | 64.88 | -157.73 | 149 | 0 | |
| KOZAL AIRFIELD | airport | United States | 43.13 | -85.72 | 775 | 0 | |
| KOZR (CAIRNS AAF) | airport | United States | 31.28 | -85.71 | 301 | 0 |