| Llantwit Major to Cocentaina | 887.04 mi (1,427.55 km) |
| Llantwit Major to Coin | 1,020.33 mi (1,642.06 km) |
| Llantwit Major to Colindres | 553.40 mi (890.62 km) |
| Llantwit Major to Collado-Villalba | 744.77 mi (1,198.59 km) |
| Llantwit Major to Colmenar Viejo | 742.70 mi (1,195.25 km) |
| Llantwit Major to Colmenarejo | 749.79 mi (1,206.67 km) |
| Llantwit Major to Conil de la Frontera | 1,053.91 mi (1,696.10 km) |
| Llantwit Major to Consuegra | 825.30 mi (1,328.18 km) |
| Llantwit Major to Corbera de Llobregat | 736.17 mi (1,184.75 km) |
| Llantwit Major to Cordoba | 936.42 mi (1,507.02 km) |
| Llantwit Major to Coria del Rio | 983.90 mi (1,583.43 km) |
| Llantwit Major to Crevillente | 918.28 mi (1,477.83 km) |
| Llantwit Major to Cuarte de Huerva | 689.40 mi (1,109.49 km) |
| Llantwit Major to Cubellas | 745.64 mi (1,200.00 km) |
| Llantwit Major to Cuellar | 692.44 mi (1,114.37 km) |
