| Harran to Cocentaina | 2,141.57 mi (3,446.52 km) |
| Harran to Coin | 2,401.02 mi (3,864.06 km) |
| Harran to Colindres | 2,263.19 mi (3,642.25 km) |
| Harran to Collado-Villalba | 2,310.17 mi (3,717.86 km) |
| Harran to Colmenar Viejo | 2,297.33 mi (3,697.20 km) |
| Harran to Colmenarejo | 2,311.30 mi (3,719.67 km) |
| Harran to Conil de la Frontera | 2,479.63 mi (3,990.59 km) |
| Harran to Consuegra | 2,301.19 mi (3,703.41 km) |
| Harran to Corbera de Llobregat | 1,996.84 mi (3,213.60 km) |
| Harran to Cordoba | 2,383.69 mi (3,836.18 km) |
| Harran to Coria del Rio | 2,460.72 mi (3,960.14 km) |
| Harran to Crevillente | 2,166.91 mi (3,487.31 km) |
| Harran to Cuarte de Huerva | 2,143.06 mi (3,448.93 km) |
| Harran to Cubellas | 2,011.08 mi (3,236.52 km) |
| Harran to Cuellar | 2,319.24 mi (3,732.45 km) |
