| Donaueschingen to Coin | 1,029.84 mi (1,657.37 km) |
| Donaueschingen to Colindres | 656.27 mi (1,056.16 km) |
| Donaueschingen to Collado-Villalba | 797.43 mi (1,283.34 km) |
| Donaueschingen to Colmenar Viejo | 787.02 mi (1,266.59 km) |
| Donaueschingen to Colmenarejo | 801.22 mi (1,289.43 km) |
| Donaueschingen to Conil de la Frontera | 1,096.78 mi (1,765.10 km) |
| Donaueschingen to Consuegra | 840.75 mi (1,353.06 km) |
| Donaueschingen to Corbera de Llobregat | 554.68 mi (892.68 km) |
| Donaueschingen to Cordoba | 964.65 mi (1,552.45 km) |
| Donaueschingen to Coria del Rio | 1,041.18 mi (1,675.61 km) |
| Donaueschingen to Crevillente | 817.40 mi (1,315.48 km) |
| Donaueschingen to Cuarte de Huerva | 637.27 mi (1,025.58 km) |
| Donaueschingen to Cubellas | 573.98 mi (923.73 km) |
| Donaueschingen to Cuellar | 773.93 mi (1,245.51 km) |
| Donaueschingen to Cuenca | 758.35 mi (1,220.45 km) |
