| Gummersbach to Cassino | 722.86 mi (1,163.33 km) |
| Gummersbach to Castagneto Carducci | 561.81 mi (904.15 km) |
| Gummersbach to Castano Primo | 382.84 mi (616.12 km) |
| Gummersbach to Castel Bolognese | 503.92 mi (810.98 km) |
| Gummersbach to Castel Gandolfo | 685.45 mi (1,103.13 km) |
| Gummersbach to Castel Goffredo | 418.23 mi (673.07 km) |
| Gummersbach to Castel Maggiore | 480.18 mi (772.78 km) |
| Gummersbach to Castel Mella | 400.28 mi (644.19 km) |
| Gummersbach to Castel San Giorgio | 785.98 mi (1,264.91 km) |
| Gummersbach to Castel San Giovanni | 422.26 mi (679.57 km) |
| Gummersbach to Castel San Pietro Terme | 494.70 mi (796.14 km) |
| Gummersbach to Castel Volturno | 753.33 mi (1,212.36 km) |
| Gummersbach to Castelbuono | 959.76 mi (1,544.59 km) |
| Gummersbach to Casteldaccia | 943.17 mi (1,517.88 km) |
| Gummersbach to Castelfidardo | 592.96 mi (954.27 km) |
