| Donaueschingen to Busto Garolfo | 167.18 mi (269.05 km) |
| Donaueschingen to Cabras | 554.12 mi (891.76 km) |
| Donaueschingen to Cadelbosco di Sopra | 241.77 mi (389.09 km) |
| Donaueschingen to Cadoneghe | 237.28 mi (381.87 km) |
| Donaueschingen to Cagli | 363.91 mi (585.65 km) |
| Donaueschingen to Cagliari | 603.62 mi (971.43 km) |
| Donaueschingen to Cairo Montenotte | 245.76 mi (395.51 km) |
| Donaueschingen to Caivano | 561.64 mi (903.87 km) |
| Donaueschingen to Calcinaia | 312.04 mi (502.18 km) |
| Donaueschingen to Calcinato | 194.71 mi (313.36 km) |
| Donaueschingen to Calderara di Reno | 268.60 mi (432.28 km) |
| Donaueschingen to Caldogno | 215.52 mi (346.85 km) |
| Donaueschingen to Calenzano | 309.97 mi (498.85 km) |
| Donaueschingen to Calolziocorte | 155.11 mi (249.63 km) |
| Donaueschingen to Caltagirone | 800.36 mi (1,288.05 km) |
