| Iselin to Cocentaina | 3,809.83 mi (6,131.33 km) |
| Iselin to Coin | 3,665.54 mi (5,899.12 km) |
| Iselin to Colindres | 3,531.87 mi (5,684.00 km) |
| Iselin to Collado-Villalba | 3,582.24 mi (5,765.05 km) |
| Iselin to Colmenar Viejo | 3,593.06 mi (5,782.47 km) |
| Iselin to Colmenarejo | 3,583.91 mi (5,767.74 km) |
| Iselin to Conil de la Frontera | 3,612.04 mi (5,813.02 km) |
| Iselin to Consuegra | 3,635.77 mi (5,851.20 km) |
| Iselin to Corbera de Llobregat | 3,838.29 mi (6,177.13 km) |
| Iselin to Cordoba | 3,626.38 mi (5,836.09 km) |
| Iselin to Coria del Rio | 3,582.30 mi (5,765.16 km) |
| Iselin to Crevillente | 3,807.86 mi (6,128.16 km) |
| Iselin to Cuarte de Huerva | 3,700.66 mi (5,955.63 km) |
| Iselin to Cubellas | 3,832.71 mi (6,168.15 km) |
| Iselin to Cuellar | 3,545.96 mi (5,706.67 km) |
