| Constanta to Coin | 1,816.92 mi (2,924.05 km) |
| Constanta to Colindres | 1,591.05 mi (2,560.55 km) |
| Constanta to Collado-Villalba | 1,672.04 mi (2,690.88 km) |
| Constanta to Colmenar Viejo | 1,659.45 mi (2,670.63 km) |
| Constanta to Colmenarejo | 1,674.12 mi (2,694.24 km) |
| Constanta to Conil de la Frontera | 1,895.43 mi (3,050.40 km) |
| Constanta to Consuegra | 1,680.47 mi (2,704.45 km) |
| Constanta to Corbera de Llobregat | 1,361.00 mi (2,190.32 km) |
| Constanta to Cordoba | 1,781.64 mi (2,867.27 km) |
| Constanta to Coria del Rio | 1,862.27 mi (2,997.04 km) |
| Constanta to Crevillente | 1,574.77 mi (2,534.36 km) |
| Constanta to Cuarte de Huerva | 1,498.68 mi (2,411.89 km) |
| Constanta to Cubellas | 1,378.02 mi (2,217.71 km) |
| Constanta to Cuellar | 1,670.30 mi (2,688.09 km) |
| Constanta to Cuenca | 1,593.27 mi (2,564.12 km) |
