| Idylwood to Cocentaina | 3,998.10 mi (6,434.32 km) |
| Idylwood to Coin | 3,850.48 mi (6,196.74 km) |
| Idylwood to Colindres | 3,722.47 mi (5,990.74 km) |
| Idylwood to Collado-Villalba | 3,770.94 mi (6,068.74 km) |
| Idylwood to Colmenar Viejo | 3,781.84 mi (6,086.28 km) |
| Idylwood to Colmenarejo | 3,772.55 mi (6,071.34 km) |
| Idylwood to Conil de la Frontera | 3,795.99 mi (6,109.05 km) |
| Idylwood to Consuegra | 3,823.67 mi (6,153.60 km) |
| Idylwood to Corbera de Llobregat | 4,028.80 mi (6,483.72 km) |
| Idylwood to Cordoba | 3,812.51 mi (6,135.63 km) |
| Idylwood to Coria del Rio | 3,767.35 mi (6,062.96 km) |
| Idylwood to Crevillente | 3,995.64 mi (6,430.37 km) |
| Idylwood to Cuarte de Huerva | 3,890.70 mi (6,261.47 km) |
| Idylwood to Cubellas | 4,023.06 mi (6,474.49 km) |
| Idylwood to Cuellar | 3,735.15 mi (6,011.14 km) |
