| - | - | Camillus | Camillus | |
| APH | - | Camp A P Hill Airport | Bowling Green | |
| - | - | Camp Blanding Aaf | Camp Blanding | |
| - | - | Camp Guernsey | Guernsey | |
| - | - | Camp Lake | Camp Lake | |
| MMR | - | Camp Maybry Army Heliport | Austin | |
| - | KNFG | Camp Pendleton MCAS Airport | Oceanside | |
| - | - | Camp Vernon | Westfield | |
| - | - | Campbell | Copperhill | |
| - | - | Campbell | Grayslake | |
| - | - | Campbell Airport | Anchorage | |
| - | KJAU | Campbell Co | Jacksboro | |
| - | - | Campbell Municipal | Campbell | |
| - | - | Campbell Municipal | Indian River | |
| CZZ | - | Campo Airport | Campo | |
| - | - | Canadian Lakes | Mecosta | |
| - | - | Canandaigua | Canandaigua | |
| CDL | - | Candle Airport | Candle | |
| - | - | Candlelight Farms | New Milford | |
| - | - | Cando Municipal | Cando | |
| CTK | - | Canton Airport | Canton | |
| - | - | Canton-Hackney | Canton | |
| - | - | Canton-Plymouth-Mettetal | Plymouth | |
| - | - | Cantrell | Conway | |
| - | PATW | Cantwell | Cantwell | |
| - | - | Canyon Ferry | Townsend | |
| - | - | Cape Blanco State | Denmark | |
| - | KXMR | Cape Canaveral As Skid Strip | Cocoa Beach | |
| - | - | Cape Cod | Marstons Mills | |
| EHM | PAEH | Cape Newenham Airport | Cape Newenham | |
| CZP | - | Cape Pole Sea Plane Base | Cape Pole | |
| CZF | PACZ | Cape Romanzof Airport | Cape Romanzof | |
| - | - | Cape Sabine | Cape Beaufort | |
| - | PACS | Cape Sarichef | Cape Sarichef | |
| CSP | - | Cape Spencer Coast Guard Heliport | Cape Spencer | |
| - | - | Capitol | Brookfield | |
| - | - | Carey | Carey | |
| CAR | KCAR | Caribou Municipal Airport | Caribou | |
| - | KPCW | Carl R. Keller Field | Port Clinton | |
| SYN | KSYN | Carleton Airport | Stanton | |
| - | - | Carlisle | Carlisle | |
| - | - | Carlisle Municipal | Carlisle | |
| - | - | Carmel Valley Vintage | Carmel Valley | |
| - | KCUL | Carmi Municipal | Carmi | |
| - | - | Carnegie Municipal | Carnegie | |
| - | - | Caro Municipal | Caro | |
| - | - | Carrabelle | Pehrson | |
| - | - | Carrabelle-Thompson | Carrabelle | |
| - | - | Carriage Lane | Gregory | |
| - | - | Carrington Municipal | Carrington | |