| Abertillery to Cocentaina | 906.50 mi (1,458.88 km) |
| Abertillery to Coin | 1,043.79 mi (1,679.82 km) |
| Abertillery to Colindres | 575.96 mi (926.93 km) |
| Abertillery to Collado-Villalba | 767.84 mi (1,235.72 km) |
| Abertillery to Colmenar Viejo | 765.54 mi (1,232.01 km) |
| Abertillery to Colmenarejo | 772.87 mi (1,243.81 km) |
| Abertillery to Conil de la Frontera | 1,078.21 mi (1,735.22 km) |
| Abertillery to Consuegra | 847.95 mi (1,364.65 km) |
| Abertillery to Corbera de Llobregat | 751.56 mi (1,209.52 km) |
| Abertillery to Cordoba | 959.98 mi (1,544.93 km) |
| Abertillery to Coria del Rio | 1,008.27 mi (1,622.66 km) |
| Abertillery to Crevillente | 938.23 mi (1,509.93 km) |
| Abertillery to Cuarte de Huerva | 708.79 mi (1,140.69 km) |
| Abertillery to Cubellas | 761.53 mi (1,225.56 km) |
| Abertillery to Cuellar | 715.86 mi (1,152.06 km) |
