| Marlborough to Cocentaina | 3,629.90 mi (5,841.77 km) |
| Marlborough to Coin | 3,490.44 mi (5,617.32 km) |
| Marlborough to Colindres | 3,348.29 mi (5,388.55 km) |
| Marlborough to Collado-Villalba | 3,401.72 mi (5,474.54 km) |
| Marlborough to Colmenar Viejo | 3,412.42 mi (5,491.75 km) |
| Marlborough to Colmenarejo | 3,403.48 mi (5,477.37 km) |
| Marlborough to Conil de la Frontera | 3,438.32 mi (5,533.44 km) |
| Marlborough to Consuegra | 3,456.45 mi (5,562.62 km) |
| Marlborough to Corbera de Llobregat | 3,654.81 mi (5,881.86 km) |
| Marlborough to Cordoba | 3,449.63 mi (5,551.65 km) |
| Marlborough to Coria del Rio | 3,407.09 mi (5,483.17 km) |
| Marlborough to Crevillente | 3,628.66 mi (5,839.77 km) |
| Marlborough to Cuarte de Huerva | 3,517.99 mi (5,661.65 km) |
| Marlborough to Cubellas | 3,649.50 mi (5,873.30 km) |
| Marlborough to Cuellar | 3,364.70 mi (5,414.97 km) |
