| Foster City to Carmona | 5,866.74 mi (9,441.60 km) |
| Foster City to Cartagena | 6,037.26 mi (9,716.03 km) |
| Foster City to Cartama | 5,942.72 mi (9,563.88 km) |
| Foster City to Cartaya | 5,815.90 mi (9,359.79 km) |
| Foster City to Caspe | 5,886.36 mi (9,473.18 km) |
| Foster City to Cassa de la Selva | 5,951.80 mi (9,578.50 km) |
| Foster City to Castalla | 5,998.05 mi (9,652.93 km) |
| Foster City to Castellbisbal | 5,943.31 mi (9,564.84 km) |
| Foster City to Castelldefels | 5,953.37 mi (9,581.03 km) |
| Foster City to Castello de Ampurias | 5,939.09 mi (9,558.03 km) |
| Foster City to Castellon de la Plana | 5,950.30 mi (9,576.08 km) |
| Foster City to Castilleja de la Cuesta | 5,854.48 mi (9,421.87 km) |
| Foster City to Catarroja | 5,966.64 mi (9,602.38 km) |
| Foster City to Catral | 6,015.38 mi (9,680.81 km) |
| Foster City to Caudete | 5,980.98 mi (9,625.45 km) |
