| San Francisco to Cortona | 6,152.08 mi (9,900.81 km) |
| San Francisco to Cosenza | 6,502.82 mi (10,465.28 km) |
| San Francisco to Cossato | 5,913.54 mi (9,516.93 km) |
| San Francisco to Costa Volpino | 5,954.16 mi (9,582.29 km) |
| San Francisco to Creazzo | 6,009.49 mi (9,671.33 km) |
| San Francisco to Crema | 5,968.36 mi (9,605.15 km) |
| San Francisco to Cremona | 5,991.41 mi (9,642.24 km) |
| San Francisco to Crevalcore | 6,046.49 mi (9,730.89 km) |
| San Francisco to Crispiano | 6,452.95 mi (10,385.03 km) |
| San Francisco to Crosia | 6,501.44 mi (10,463.05 km) |
| San Francisco to Crotone | 6,539.70 mi (10,524.63 km) |
| San Francisco to Cuneo | 5,960.46 mi (9,592.43 km) |
| San Francisco to Cuorgne | 5,908.15 mi (9,508.26 km) |
| San Francisco to Cusano Milanino | 5,943.84 mi (9,565.69 km) |
| San Francisco to Cutro | 6,538.98 mi (10,523.47 km) |
