| Rhymney to Cocentaina | 909.56 mi (1,463.80 km) |
| Rhymney to Coin | 1,045.25 mi (1,682.16 km) |
| Rhymney to Colindres | 577.83 mi (929.93 km) |
| Rhymney to Collado-Villalba | 769.48 mi (1,238.36 km) |
| Rhymney to Colmenar Viejo | 767.29 mi (1,234.83 km) |
| Rhymney to Colmenarejo | 774.51 mi (1,246.45 km) |
| Rhymney to Conil de la Frontera | 1,079.21 mi (1,736.82 km) |
| Rhymney to Consuegra | 849.79 mi (1,367.60 km) |
| Rhymney to Corbera de Llobregat | 755.76 mi (1,216.27 km) |
| Rhymney to Cordoba | 961.38 mi (1,547.20 km) |
| Rhymney to Coria del Rio | 1,009.23 mi (1,624.19 km) |
| Rhymney to Crevillente | 941.13 mi (1,514.60 km) |
| Rhymney to Cuarte de Huerva | 711.86 mi (1,145.64 km) |
| Rhymney to Cubellas | 765.60 mi (1,232.12 km) |
| Rhymney to Cuellar | 717.33 mi (1,154.43 km) |
