| Shannon to Coin | 1,126.57 mi (1,813.04 km) |
| Shannon to Colindres | 690.21 mi (1,110.78 km) |
| Shannon to Collado-Villalba | 865.39 mi (1,392.71 km) |
| Shannon to Colmenar Viejo | 866.75 mi (1,394.90 km) |
| Shannon to Colmenarejo | 870.15 mi (1,400.37 km) |
| Shannon to Conil de la Frontera | 1,144.42 mi (1,841.76 km) |
| Shannon to Consuegra | 949.05 mi (1,527.35 km) |
| Shannon to Corbera de Llobregat | 929.21 mi (1,495.42 km) |
| Shannon to Cordoba | 1,043.26 mi (1,678.96 km) |
| Shannon to Coria del Rio | 1,074.78 mi (1,729.69 km) |
| Shannon to Crevillente | 1,071.39 mi (1,724.23 km) |
| Shannon to Cuarte de Huerva | 853.78 mi (1,374.03 km) |
| Shannon to Cubellas | 935.31 mi (1,505.24 km) |
| Shannon to Cuellar | 810.09 mi (1,303.72 km) |
| Shannon to Cuenca | 929.64 mi (1,496.11 km) |
