| Darby to Cocentaina | 3,873.70 mi (6,234.11 km) |
| Darby to Coin | 3,727.77 mi (5,999.27 km) |
| Darby to Colindres | 3,597.01 mi (5,788.83 km) |
| Darby to Collado-Villalba | 3,646.32 mi (5,868.19 km) |
| Darby to Colmenar Viejo | 3,657.19 mi (5,885.67 km) |
| Darby to Colmenarejo | 3,647.96 mi (5,870.83 km) |
| Darby to Conil de la Frontera | 3,673.81 mi (5,912.42 km) |
| Darby to Consuegra | 3,699.44 mi (5,953.67 km) |
| Darby to Corbera de Llobregat | 3,903.38 mi (6,281.88 km) |
| Darby to Cordoba | 3,689.18 mi (5,937.16 km) |
| Darby to Coria del Rio | 3,644.58 mi (5,865.39 km) |
| Darby to Crevillente | 3,871.48 mi (6,230.54 km) |
| Darby to Cuarte de Huerva | 3,765.47 mi (6,059.94 km) |
| Darby to Cubellas | 3,897.70 mi (6,272.74 km) |
| Darby to Cuellar | 3,610.30 mi (5,810.22 km) |
