| Isabela to Cocentaina | 4,179.60 mi (6,726.41 km) |
| Isabela to Coin | 3,944.18 mi (6,347.55 km) |
| Isabela to Colindres | 4,031.91 mi (6,488.74 km) |
| Isabela to Collado-Villalba | 3,992.09 mi (6,424.64 km) |
| Isabela to Colmenar Viejo | 4,004.87 mi (6,445.21 km) |
| Isabela to Colmenarejo | 3,991.40 mi (6,423.54 km) |
| Isabela to Conil de la Frontera | 3,869.68 mi (6,227.65 km) |
| Isabela to Consuegra | 4,010.26 mi (6,453.89 km) |
| Isabela to Corbera de Llobregat | 4,302.48 mi (6,924.17 km) |
| Isabela to Cordoba | 3,944.05 mi (6,347.33 km) |
| Isabela to Coria del Rio | 3,873.34 mi (6,233.55 km) |
| Isabela to Crevillente | 4,160.16 mi (6,695.13 km) |
| Isabela to Cuarte de Huerva | 4,155.14 mi (6,687.05 km) |
| Isabela to Cubellas | 4,289.30 mi (6,902.96 km) |
| Isabela to Cuellar | 3,978.98 mi (6,403.56 km) |
