| Riom to Coin | 756.16 mi (1,216.93 km) |
| Riom to Colindres | 365.59 mi (588.37 km) |
| Riom to Collado-Villalba | 509.95 mi (820.69 km) |
| Riom to Colmenar Viejo | 500.16 mi (804.93 km) |
| Riom to Colmenarejo | 513.98 mi (827.17 km) |
| Riom to Conil de la Frontera | 818.43 mi (1,317.13 km) |
| Riom to Consuegra | 559.88 mi (901.04 km) |
| Riom to Corbera de Llobregat | 314.88 mi (506.76 km) |
| Riom to Cordoba | 685.55 mi (1,103.28 km) |
| Riom to Coria del Rio | 759.27 mi (1,221.92 km) |
| Riom to Crevillente | 565.02 mi (909.32 km) |
| Riom to Cuarte de Huerva | 359.26 mi (578.18 km) |
| Riom to Cubellas | 331.51 mi (533.52 km) |
| Riom to Cuellar | 483.58 mi (778.24 km) |
| Riom to Cuenca | 482.29 mi (776.17 km) |
