| Hartlepool to Cocentaina | 1,102.28 mi (1,773.95 km) |
| Hartlepool to Coin | 1,256.56 mi (2,022.24 km) |
| Hartlepool to Colindres | 786.74 mi (1,266.14 km) |
| Hartlepool to Collado-Villalba | 979.71 mi (1,576.70 km) |
| Hartlepool to Colmenar Viejo | 976.55 mi (1,571.61 km) |
| Hartlepool to Colmenarejo | 984.74 mi (1,584.79 km) |
| Hartlepool to Conil de la Frontera | 1,293.86 mi (2,082.27 km) |
| Hartlepool to Consuegra | 1,058.03 mi (1,702.73 km) |
| Hartlepool to Corbera de Llobregat | 928.25 mi (1,493.87 km) |
| Hartlepool to Cordoba | 1,173.20 mi (1,888.09 km) |
| Hartlepool to Coria del Rio | 1,224.20 mi (1,970.16 km) |
| Hartlepool to Crevillente | 1,136.15 mi (1,828.45 km) |
| Hartlepool to Cuarte de Huerva | 905.68 mi (1,457.56 km) |
| Hartlepool to Cubellas | 940.68 mi (1,513.88 km) |
| Hartlepool to Cuellar | 929.08 mi (1,495.20 km) |
