| Gummersbach to Ciampino | 681.11 mi (1,096.15 km) |
| Gummersbach to Cicciano | 770.90 mi (1,240.64 km) |
| Gummersbach to Cingoli | 591.98 mi (952.70 km) |
| Gummersbach to Cinisello Balsamo | 386.35 mi (621.77 km) |
| Gummersbach to Cinisi | 929.07 mi (1,495.19 km) |
| Gummersbach to Cirie | 400.61 mi (644.71 km) |
| Gummersbach to Ciro Marina | 928.90 mi (1,494.92 km) |
| Gummersbach to Cislago | 377.45 mi (607.44 km) |
| Gummersbach to Cisterna di Latina | 698.62 mi (1,124.31 km) |
| Gummersbach to Cisternino | 853.72 mi (1,373.92 km) |
| Gummersbach to Citta di Castello | 567.05 mi (912.57 km) |
| Gummersbach to Citta Sant'Angelo | 663.00 mi (1,066.99 km) |
| Gummersbach to Cittadella | 419.17 mi (674.59 km) |
| Gummersbach to Cittanova | 969.52 mi (1,560.29 km) |
| Gummersbach to Cividale del Friuli | 433.45 mi (697.58 km) |
