| Tulcea to Coin | 1,832.36 mi (2,948.89 km) |
| Tulcea to Colindres | 1,589.02 mi (2,557.28 km) |
| Tulcea to Collado-Villalba | 1,677.78 mi (2,700.13 km) |
| Tulcea to Colmenar Viejo | 1,665.32 mi (2,680.07 km) |
| Tulcea to Colmenarejo | 1,680.07 mi (2,703.80 km) |
| Tulcea to Conil de la Frontera | 1,910.45 mi (3,074.57 km) |
| Tulcea to Consuegra | 1,689.82 mi (2,719.50 km) |
| Tulcea to Corbera de Llobregat | 1,369.25 mi (2,203.60 km) |
| Tulcea to Cordoba | 1,794.05 mi (2,887.24 km) |
| Tulcea to Coria del Rio | 1,874.93 mi (3,017.41 km) |
| Tulcea to Crevillente | 1,590.24 mi (2,559.24 km) |
| Tulcea to Cuarte de Huerva | 1,504.04 mi (2,420.51 km) |
| Tulcea to Cubellas | 1,386.76 mi (2,231.78 km) |
| Tulcea to Cuellar | 1,673.63 mi (2,693.45 km) |
| Tulcea to Cuenca | 1,602.21 mi (2,578.51 km) |
