| Fort Oglethorpe to Cortona | 4,939.94 mi (7,950.07 km) |
| Fort Oglethorpe to Cosenza | 5,274.28 mi (8,488.13 km) |
| Fort Oglethorpe to Cossato | 4,697.91 mi (7,560.55 km) |
| Fort Oglethorpe to Costa Volpino | 4,771.11 mi (7,678.36 km) |
| Fort Oglethorpe to Creazzo | 4,839.37 mi (7,788.21 km) |
| Fort Oglethorpe to Crema | 4,769.08 mi (7,675.09 km) |
| Fort Oglethorpe to Cremona | 4,791.80 mi (7,711.66 km) |
| Fort Oglethorpe to Crevalcore | 4,853.52 mi (7,810.98 km) |
| Fort Oglethorpe to Crispiano | 5,266.57 mi (8,475.73 km) |
| Fort Oglethorpe to Crosia | 5,286.65 mi (8,508.04 km) |
| Fort Oglethorpe to Crotone | 5,321.01 mi (8,563.34 km) |
| Fort Oglethorpe to Cuneo | 4,709.78 mi (7,579.65 km) |
| Fort Oglethorpe to Cuorgne | 4,681.50 mi (7,534.15 km) |
| Fort Oglethorpe to Cusano Milanino | 4,741.75 mi (7,631.10 km) |
| Fort Oglethorpe to Cutro | 5,317.08 mi (8,557.01 km) |
