| Gummersbach to Busto Garolfo | 383.82 mi (617.70 km) |
| Gummersbach to Cabras | 768.35 mi (1,236.53 km) |
| Gummersbach to Cadelbosco di Sopra | 455.10 mi (732.42 km) |
| Gummersbach to Cadoneghe | 434.77 mi (699.70 km) |
| Gummersbach to Cagli | 568.95 mi (915.63 km) |
| Gummersbach to Cagliari | 819.10 mi (1,318.21 km) |
| Gummersbach to Cairo Montenotte | 459.46 mi (739.44 km) |
| Gummersbach to Caivano | 767.23 mi (1,234.74 km) |
| Gummersbach to Calcinaia | 527.40 mi (848.76 km) |
| Gummersbach to Calcinato | 406.80 mi (654.69 km) |
| Gummersbach to Calderara di Reno | 478.50 mi (770.08 km) |
| Gummersbach to Caldogno | 416.38 mi (670.10 km) |
| Gummersbach to Calenzano | 522.79 mi (841.34 km) |
| Gummersbach to Calolziocorte | 371.55 mi (597.95 km) |
| Gummersbach to Caltagirone | 1,012.40 mi (1,629.29 km) |
