| Overlea to Cocentaina | 3,950.58 mi (6,357.84 km) |
| Overlea to Coin | 3,804.01 mi (6,121.96 km) |
| Overlea to Colindres | 3,674.14 mi (5,912.95 km) |
| Overlea to Collado-Villalba | 3,723.26 mi (5,992.01 km) |
| Overlea to Colmenar Viejo | 3,734.14 mi (6,009.52 km) |
| Overlea to Colmenarejo | 3,724.90 mi (5,994.65 km) |
| Overlea to Conil de la Frontera | 3,749.82 mi (6,034.76 km) |
| Overlea to Consuegra | 3,776.26 mi (6,077.30 km) |
| Overlea to Corbera de Llobregat | 3,980.50 mi (6,405.99 km) |
| Overlea to Cordoba | 3,765.67 mi (6,060.25 km) |
| Overlea to Coria del Rio | 3,720.84 mi (5,988.12 km) |
| Overlea to Crevillente | 3,948.28 mi (6,354.14 km) |
| Overlea to Cuarte de Huerva | 3,842.56 mi (6,184.01 km) |
| Overlea to Cubellas | 3,974.82 mi (6,396.85 km) |
| Overlea to Cuellar | 3,687.31 mi (5,934.15 km) |
