| Seaside to Cocentaina | 6,030.66 mi (9,705.41 km) |
| Seaside to Coin | 5,967.79 mi (9,604.23 km) |
| Seaside to Colindres | 5,691.38 mi (9,159.39 km) |
| Seaside to Collado-Villalba | 5,804.74 mi (9,341.83 km) |
| Seaside to Colmenar Viejo | 5,812.56 mi (9,354.42 km) |
| Seaside to Colmenarejo | 5,807.93 mi (9,346.96 km) |
| Seaside to Conil de la Frontera | 5,933.57 mi (9,549.17 km) |
| Seaside to Consuegra | 5,876.72 mi (9,457.67 km) |
| Seaside to Corbera de Llobregat | 5,979.79 mi (9,623.54 km) |
| Seaside to Cordoba | 5,907.93 mi (9,507.90 km) |
| Seaside to Coria del Rio | 5,886.54 mi (9,473.47 km) |
| Seaside to Crevillente | 6,041.89 mi (9,723.48 km) |
| Seaside to Cuarte de Huerva | 5,871.14 mi (9,448.69 km) |
| Seaside to Cubellas | 5,981.45 mi (9,626.21 km) |
| Seaside to Cuellar | 5,756.29 mi (9,263.86 km) |
