| Highland to Cocentaina | 5,978.40 mi (9,621.30 km) |
| Highland to Coin | 5,894.80 mi (9,486.76 km) |
| Highland to Colindres | 5,649.05 mi (9,091.27 km) |
| Highland to Collado-Villalba | 5,749.71 mi (9,253.27 km) |
| Highland to Colmenar Viejo | 5,758.31 mi (9,267.10 km) |
| Highland to Colmenarejo | 5,752.58 mi (9,257.89 km) |
| Highland to Conil de la Frontera | 5,855.18 mi (9,423.00 km) |
| Highland to Consuegra | 5,818.12 mi (9,363.36 km) |
| Highland to Corbera de Llobregat | 5,944.78 mi (9,567.20 km) |
| Highland to Cordoba | 5,839.71 mi (9,398.10 km) |
| Highland to Coria del Rio | 5,812.32 mi (9,354.02 km) |
| Highland to Crevillente | 5,986.61 mi (9,634.52 km) |
| Highland to Cuarte de Huerva | 5,828.56 mi (9,380.16 km) |
| Highland to Cubellas | 5,944.90 mi (9,567.39 km) |
| Highland to Cuellar | 5,703.52 mi (9,178.93 km) |
