| Prudhoe to Cocentaina | 1,122.33 mi (1,806.22 km) |
| Prudhoe to Coin | 1,271.44 mi (2,046.18 km) |
| Prudhoe to Colindres | 802.22 mi (1,291.05 km) |
| Prudhoe to Collado-Villalba | 994.89 mi (1,601.11 km) |
| Prudhoe to Colmenar Viejo | 992.08 mi (1,596.59 km) |
| Prudhoe to Colmenarejo | 999.91 mi (1,609.21 km) |
| Prudhoe to Conil de la Frontera | 1,307.17 mi (2,103.68 km) |
| Prudhoe to Consuegra | 1,073.97 mi (1,728.39 km) |
| Prudhoe to Corbera de Llobregat | 951.51 mi (1,531.31 km) |
| Prudhoe to Cordoba | 1,187.83 mi (1,911.64 km) |
| Prudhoe to Coria del Rio | 1,237.31 mi (1,991.26 km) |
| Prudhoe to Crevillente | 1,155.74 mi (1,859.98 km) |
| Prudhoe to Cuarte de Huerva | 925.28 mi (1,489.10 km) |
| Prudhoe to Cubellas | 963.60 mi (1,550.76 km) |
| Prudhoe to Cuellar | 943.61 mi (1,518.60 km) |
