| Fort Carson to Cortona | 5,530.49 mi (8,900.47 km) |
| Fort Carson to Cosenza | 5,881.91 mi (9,466.02 km) |
| Fort Carson to Cossato | 5,284.84 mi (8,505.12 km) |
| Fort Carson to Costa Volpino | 5,340.73 mi (8,595.07 km) |
| Fort Carson to Creazzo | 5,403.10 mi (8,695.45 km) |
| Fort Carson to Crema | 5,348.13 mi (8,606.98 km) |
| Fort Carson to Cremona | 5,371.58 mi (8,644.72 km) |
| Fort Carson to Crevalcore | 5,430.90 mi (8,740.19 km) |
| Fort Carson to Crispiano | 5,849.85 mi (9,414.42 km) |
| Fort Carson to Crosia | 5,886.68 mi (9,473.69 km) |
| Fort Carson to Crotone | 5,924.05 mi (9,533.84 km) |
| Fort Carson to Cuneo | 5,317.52 mi (8,557.73 km) |
| Fort Carson to Cuorgne | 5,274.50 mi (8,488.49 km) |
| Fort Carson to Cusano Milanino | 5,321.79 mi (8,564.59 km) |
| Fort Carson to Cutro | 5,921.87 mi (9,530.33 km) |
