| Donaueschingen to Cosenza | 711.61 mi (1,145.22 km) |
| Donaueschingen to Cossato | 165.65 mi (266.59 km) |
| Donaueschingen to Costa Volpino | 164.87 mi (265.33 km) |
| Donaueschingen to Creazzo | 218.74 mi (352.02 km) |
| Donaueschingen to Crema | 187.25 mi (301.35 km) |
| Donaueschingen to Cremona | 207.94 mi (334.65 km) |
| Donaueschingen to Crevalcore | 256.76 mi (413.21 km) |
| Donaueschingen to Crispiano | 665.93 mi (1,071.71 km) |
| Donaueschingen to Crosia | 710.29 mi (1,143.11 km) |
| Donaueschingen to Crotone | 748.52 mi (1,204.62 km) |
| Donaueschingen to Cuneo | 250.83 mi (403.67 km) |
| Donaueschingen to Cuorgne | 181.67 mi (292.38 km) |
| Donaueschingen to Cusano Milanino | 169.13 mi (272.19 km) |
| Donaueschingen to Cutro | 747.66 mi (1,203.24 km) |
| Donaueschingen to Cutrofiano | 723.54 mi (1,164.42 km) |
