| South San Francisco to Cadiz | 5,887.11 mi (9,474.38 km) |
| South San Francisco to Calafell | 5,943.53 mi (9,565.19 km) |
| South San Francisco to Calahorra | 5,764.73 mi (9,277.44 km) |
| South San Francisco to Calasparra | 5,979.39 mi (9,622.89 km) |
| South San Francisco to Calatayud | 5,824.30 mi (9,373.30 km) |
| South San Francisco to Caldas de Montbuy | 5,941.30 mi (9,561.60 km) |
| South San Francisco to Caldas de Reyes | 5,507.85 mi (8,864.03 km) |
| South San Francisco to Calella | 5,958.84 mi (9,589.83 km) |
| South San Francisco to Callosa de Segura | 6,015.11 mi (9,680.39 km) |
| South San Francisco to Calpe | 6,022.03 mi (9,691.51 km) |
| South San Francisco to Calvia | 6,061.22 mi (9,754.59 km) |
| South San Francisco to Camas | 5,855.49 mi (9,423.50 km) |
| South San Francisco to Cambados | 5,506.59 mi (8,862.00 km) |
| South San Francisco to Cambre | 5,487.39 mi (8,831.10 km) |
| South San Francisco to Cambrils | 5,932.84 mi (9,547.98 km) |
