| Regensburg to Castelfiorentino | 378.02 mi (608.37 km) |
| Regensburg to Castelfranco di Sopra | 373.47 mi (601.03 km) |
| Regensburg to Castelfranco di Sotto | 372.79 mi (599.95 km) |
| Regensburg to Castelfranco Emilia | 309.25 mi (497.69 km) |
| Regensburg to Castelfranco Veneto | 231.57 mi (372.67 km) |
| Regensburg to Castellabate | 619.86 mi (997.57 km) |
| Regensburg to Castellammare del Golfo | 760.39 mi (1,223.74 km) |
| Regensburg to Castellammare di Stabia | 586.77 mi (944.32 km) |
| Regensburg to Castellamonte | 324.20 mi (521.74 km) |
| Regensburg to Castellana Grotte | 614.13 mi (988.35 km) |
| Regensburg to Castellaneta | 625.77 mi (1,007.08 km) |
| Regensburg to Castellanza | 278.19 mi (447.70 km) |
| Regensburg to Castellarano | 313.54 mi (504.60 km) |
| Regensburg to Castelleone | 279.25 mi (449.41 km) |
| Regensburg to Castelletto sopra Ticino | 279.31 mi (449.51 km) |
