| Horndean to Cocentaina | 841.20 mi (1,353.78 km) |
| Horndean to Coin | 1,001.67 mi (1,612.03 km) |
| Horndean to Colindres | 531.91 mi (856.03 km) |
| Horndean to Collado-Villalba | 724.82 mi (1,166.48 km) |
| Horndean to Colmenar Viejo | 720.85 mi (1,160.10 km) |
| Horndean to Colmenarejo | 729.83 mi (1,174.54 km) |
| Horndean to Conil de la Frontera | 1,042.89 mi (1,678.37 km) |
| Horndean to Consuegra | 801.24 mi (1,289.48 km) |
| Horndean to Corbera de Llobregat | 670.80 mi (1,079.55 km) |
| Horndean to Cordoba | 919.07 mi (1,479.11 km) |
| Horndean to Coria del Rio | 973.98 mi (1,567.48 km) |
| Horndean to Crevillente | 875.11 mi (1,408.36 km) |
| Horndean to Cuarte de Huerva | 644.67 mi (1,037.50 km) |
| Horndean to Cubellas | 682.44 mi (1,098.28 km) |
| Horndean to Cuellar | 675.98 mi (1,087.89 km) |
