| Roman to Coin | 1,763.77 mi (2,838.51 km) |
| Roman to Colindres | 1,490.29 mi (2,398.40 km) |
| Roman to Collado-Villalba | 1,591.90 mi (2,561.92 km) |
| Roman to Colmenar Viejo | 1,579.72 mi (2,542.31 km) |
| Roman to Colmenarejo | 1,594.53 mi (2,566.14 km) |
| Roman to Conil de la Frontera | 1,840.71 mi (2,962.33 km) |
| Roman to Consuegra | 1,610.39 mi (2,591.67 km) |
| Roman to Corbera de Llobregat | 1,289.72 mi (2,075.60 km) |
| Roman to Cordoba | 1,719.82 mi (2,767.79 km) |
| Roman to Coria del Rio | 1,800.83 mi (2,898.15 km) |
| Roman to Crevillente | 1,522.94 mi (2,450.93 km) |
| Roman to Cuarte de Huerva | 1,418.37 mi (2,282.64 km) |
| Roman to Cubellas | 1,307.99 mi (2,105.01 km) |
| Roman to Cuellar | 1,583.54 mi (2,548.46 km) |
| Roman to Cuenca | 1,522.48 mi (2,450.19 km) |
