| South San Francisco to Corato | 6,403.36 mi (10,305.21 km) |
| South San Francisco to Corbetta | 5,946.07 mi (9,569.27 km) |
| South San Francisco to Corciano | 6,173.88 mi (9,935.90 km) |
| South San Francisco to Cordenons | 6,022.38 mi (9,692.08 km) |
| South San Francisco to Cori | 6,277.10 mi (10,102.02 km) |
| South San Francisco to Coriano | 6,135.13 mi (9,873.53 km) |
| South San Francisco to Corigliano Calabro | 6,497.93 mi (10,457.41 km) |
| South San Francisco to Corleone | 6,508.48 mi (10,474.39 km) |
| South San Francisco to Cormano | 5,948.64 mi (9,573.41 km) |
| South San Francisco to Cornaredo | 5,947.58 mi (9,571.70 km) |
| South San Francisco to Cornate d'Adda | 5,951.66 mi (9,578.27 km) |
| South San Francisco to Cornedo Vicentino | 6,006.46 mi (9,666.46 km) |
| South San Francisco to Correggio | 6,038.40 mi (9,717.86 km) |
| South San Francisco to Corridonia | 6,201.77 mi (9,980.79 km) |
| South San Francisco to Corsico | 5,953.69 mi (9,581.53 km) |
