| Abbreviation | Definition |
|---|---|
| KCMH | Port Columbus International Ai, USA - OH |
| KCN | Chernofski, Alaska USA |
| KCNM | Carlsbad McClellan-Palomar Air Force Base, California USA |
| KCNM | Carlsbad McClellan-Palomar Air Force Base, California USA |
| KCNM | Carlsbad McClellan-Palomar Air, USA - CA |
| KCNW | Waco TSTI-Waco/James Connall A, USA - TX |
| KCOF | Cocoa Beach Patrick Air Force, USA - FL |
| KCOS | Colorado Springs, USA - CO |
| KCOT | Cotulla-La Salle County Airpor, USA - TX |
| KCOU | Columbia Regional Airport, USA - MO |
| KCP | Kamenets-Podolsk, Russia |
| KCPR | Casper Natrona County Internat, USA - WY |
| KCQ | Chignik, Alaska USA |
| KCRP | Corpus Christi Int'l Airport, USA - TX |
| KCS | Kings Creek Station, Northern Territory, Australia |
| KCTB | Cutbank, USA - MO |
| KCU | Masindi, Uganda |
| KCUS | Columbus Municipal Airport, USA - NM |
| KCVG | Cinncinnati North Kentucky Int, USA - KY |
| KCVS | Clovis Cannon Air Force Base, USA - NM |