| Regensburg to Cassino | 526.24 mi (846.90 km) |
| Regensburg to Castagneto Carducci | 410.37 mi (660.43 km) |
| Regensburg to Castano Primo | 285.48 mi (459.44 km) |
| Regensburg to Castel Bolognese | 325.02 mi (523.06 km) |
| Regensburg to Castel Gandolfo | 503.05 mi (809.58 km) |
| Regensburg to Castel Goffredo | 267.79 mi (430.97 km) |
| Regensburg to Castel Maggiore | 309.32 mi (497.81 km) |
| Regensburg to Castel Mella | 259.32 mi (417.33 km) |
| Regensburg to Castel San Giorgio | 583.01 mi (938.27 km) |
| Regensburg to Castel San Giovanni | 301.10 mi (484.57 km) |
| Regensburg to Castel San Pietro Terme | 319.86 mi (514.76 km) |
| Regensburg to Castel Volturno | 557.63 mi (897.42 km) |
| Regensburg to Castelbuono | 772.36 mi (1,242.99 km) |
| Regensburg to Casteldaccia | 761.16 mi (1,224.97 km) |
| Regensburg to Castelfidardo | 389.94 mi (627.54 km) |
