| South San Francisco to Carmona | 5,867.94 mi (9,443.54 km) |
| South San Francisco to Cartagena | 6,037.95 mi (9,717.14 km) |
| South San Francisco to Cartama | 5,943.92 mi (9,565.81 km) |
| South San Francisco to Cartaya | 5,817.30 mi (9,362.03 km) |
| South San Francisco to Caspe | 5,886.49 mi (9,473.38 km) |
| South San Francisco to Cassa de la Selva | 5,951.54 mi (9,578.07 km) |
| South San Francisco to Castalla | 5,998.58 mi (9,653.78 km) |
| South San Francisco to Castellbisbal | 5,943.19 mi (9,564.64 km) |
| South San Francisco to Castelldefels | 5,953.28 mi (9,580.87 km) |
| South San Francisco to Castello de Ampurias | 5,938.75 mi (9,557.50 km) |
| South San Francisco to Castellon de la Plana | 5,950.58 mi (9,576.53 km) |
| South San Francisco to Castilleja de la Cuesta | 5,855.74 mi (9,423.90 km) |
| South San Francisco to Catarroja | 5,967.04 mi (9,603.02 km) |
| South San Francisco to Catral | 6,015.98 mi (9,681.78 km) |
| South San Francisco to Caudete | 5,981.53 mi (9,626.34 km) |
