| Half Moon Bay to Carmona | 5,877.67 mi (9,459.19 km) |
| Half Moon Bay to Cartagena | 6,048.07 mi (9,733.43 km) |
| Half Moon Bay to Cartama | 5,953.65 mi (9,581.47 km) |
| Half Moon Bay to Cartaya | 5,826.88 mi (9,377.45 km) |
| Half Moon Bay to Caspe | 5,897.00 mi (9,490.31 km) |
| Half Moon Bay to Cassa de la Selva | 5,962.31 mi (9,595.41 km) |
| Half Moon Bay to Castalla | 6,008.81 mi (9,670.25 km) |
| Half Moon Bay to Castellbisbal | 5,953.87 mi (9,581.83 km) |
| Half Moon Bay to Castelldefels | 5,963.94 mi (9,598.04 km) |
| Half Moon Bay to Castello de Ampurias | 5,949.57 mi (9,574.91 km) |
| Half Moon Bay to Castellon de la Plana | 5,960.99 mi (9,593.28 km) |
| Half Moon Bay to Castilleja de la Cuesta | 5,865.42 mi (9,439.49 km) |
| Half Moon Bay to Catarroja | 5,977.37 mi (9,619.65 km) |
| Half Moon Bay to Catral | 6,026.16 mi (9,698.17 km) |
| Half Moon Bay to Caudete | 5,991.74 mi (9,642.78 km) |
