| Potters Bar to Cocentaina | 895.05 mi (1,440.45 km) |
| Potters Bar to Coin | 1,062.39 mi (1,709.75 km) |
| Potters Bar to Colindres | 593.28 mi (954.79 km) |
| Potters Bar to Collado-Villalba | 785.82 mi (1,264.65 km) |
| Potters Bar to Colmenar Viejo | 781.50 mi (1,257.70 km) |
| Potters Bar to Colmenarejo | 790.81 mi (1,272.69 km) |
| Potters Bar to Conil de la Frontera | 1,104.90 mi (1,778.17 km) |
| Potters Bar to Consuegra | 861.24 mi (1,386.03 km) |
| Potters Bar to Corbera de Llobregat | 717.34 mi (1,154.45 km) |
| Potters Bar to Cordoba | 980.17 mi (1,577.43 km) |
| Potters Bar to Coria del Rio | 1,036.24 mi (1,667.67 km) |
| Potters Bar to Crevillente | 929.76 mi (1,496.30 km) |
| Potters Bar to Cuarte de Huerva | 699.71 mi (1,126.08 km) |
| Potters Bar to Cubellas | 729.95 mi (1,174.75 km) |
| Potters Bar to Cuellar | 737.73 mi (1,187.26 km) |
