| Knowsley to Cocentaina | 1,022.39 mi (1,645.37 km) |
| Knowsley to Coin | 1,163.19 mi (1,871.98 km) |
| Knowsley to Colindres | 695.14 mi (1,118.71 km) |
| Knowsley to Collado-Villalba | 887.18 mi (1,427.78 km) |
| Knowsley to Colmenar Viejo | 884.80 mi (1,423.94 km) |
| Knowsley to Colmenarejo | 892.21 mi (1,435.87 km) |
| Knowsley to Conil de la Frontera | 1,197.44 mi (1,927.09 km) |
| Knowsley to Consuegra | 967.13 mi (1,556.44 km) |
| Knowsley to Corbera de Llobregat | 860.41 mi (1,384.69 km) |
| Knowsley to Cordoba | 1,079.38 mi (1,737.10 km) |
| Knowsley to Coria del Rio | 1,127.45 mi (1,814.46 km) |
| Knowsley to Crevillente | 1,054.77 mi (1,697.49 km) |
| Knowsley to Cuarte de Huerva | 824.76 mi (1,327.33 km) |
| Knowsley to Cubellas | 871.37 mi (1,402.33 km) |
| Knowsley to Cuellar | 835.26 mi (1,344.22 km) |
