| Gummersbach to Castelli Calepio | 388.14 mi (624.65 km) |
| Gummersbach to Castelnovo ne' Monti | 474.55 mi (763.71 km) |
| Gummersbach to Castelnuovo Berardenga | 562.10 mi (904.61 km) |
| Gummersbach to Castelnuovo di Porto | 657.67 mi (1,058.41 km) |
| Gummersbach to Castelnuovo di Verona | 413.90 mi (666.11 km) |
| Gummersbach to Castelnuovo Rangone | 474.30 mi (763.31 km) |
| Gummersbach to Castelvetrano | 957.23 mi (1,540.51 km) |
| Gummersbach to Castelvetro di Modena | 477.84 mi (769.00 km) |
| Gummersbach to Castenaso | 485.65 mi (781.58 km) |
| Gummersbach to Castenedolo | 404.28 mi (650.63 km) |
| Gummersbach to Castiglion Fiorentino | 568.98 mi (915.68 km) |
| Gummersbach to Castiglione del Lago | 584.51 mi (940.68 km) |
| Gummersbach to Castiglione delle Stiviere | 411.90 mi (662.88 km) |
| Gummersbach to Castrolibero | 910.78 mi (1,465.75 km) |
| Gummersbach to Castrovillari | 879.44 mi (1,415.32 km) |
