| Siverek to Cocentaina | 2,141.29 mi (3,446.07 km) |
| Siverek to Coin | 2,403.37 mi (3,867.85 km) |
| Siverek to Colindres | 2,252.78 mi (3,625.49 km) |
| Siverek to Collado-Villalba | 2,305.15 mi (3,709.78 km) |
| Siverek to Colmenar Viejo | 2,292.32 mi (3,689.13 km) |
| Siverek to Colmenarejo | 2,306.42 mi (3,711.82 km) |
| Siverek to Conil de la Frontera | 2,482.19 mi (3,994.69 km) |
| Siverek to Consuegra | 2,298.57 mi (3,699.20 km) |
| Siverek to Corbera de Llobregat | 1,991.23 mi (3,204.58 km) |
| Siverek to Cordoba | 2,383.75 mi (3,836.28 km) |
| Siverek to Coria del Rio | 2,461.44 mi (3,961.31 km) |
| Siverek to Crevillente | 2,167.56 mi (3,488.34 km) |
| Siverek to Cuarte de Huerva | 2,136.70 mi (3,438.68 km) |
| Siverek to Cubellas | 2,005.90 mi (3,228.19 km) |
| Siverek to Cuellar | 2,312.65 mi (3,721.85 km) |
