| Gummersbach to Cosenza | 912.93 mi (1,469.22 km) |
| Gummersbach to Cossato | 378.71 mi (609.47 km) |
| Gummersbach to Costa Volpino | 377.69 mi (607.84 km) |
| Gummersbach to Creazzo | 420.37 mi (676.52 km) |
| Gummersbach to Crema | 403.43 mi (649.26 km) |
| Gummersbach to Cremona | 423.19 mi (681.05 km) |
| Gummersbach to Crevalcore | 466.82 mi (751.27 km) |
| Gummersbach to Crispiano | 856.49 mi (1,378.38 km) |
| Gummersbach to Crosia | 908.11 mi (1,461.46 km) |
| Gummersbach to Crotone | 946.34 mi (1,522.98 km) |
| Gummersbach to Cuneo | 459.47 mi (739.45 km) |
| Gummersbach to Cuorgne | 389.95 mi (627.57 km) |
| Gummersbach to Cusano Milanino | 386.05 mi (621.29 km) |
| Gummersbach to Cutro | 946.32 mi (1,522.96 km) |
| Gummersbach to Cutrofiano | 910.87 mi (1,465.91 km) |
