| Regensburg to Butzbach | 181.56 mi (292.19 km) |
| Regensburg to Buxtehude | 324.89 mi (522.86 km) |
| Regensburg to Cadolzburg | 62.52 mi (100.62 km) |
| Regensburg to Calbe | 199.90 mi (321.71 km) |
| Regensburg to Calw | 153.65 mi (247.28 km) |
| Regensburg to Castrop-Rauxel | 273.62 mi (440.36 km) |
| Regensburg to Celle | 264.18 mi (425.15 km) |
| Regensburg to Cham | 29.12 mi (46.86 km) |
| Regensburg to Chemnitz | 130.87 mi (210.62 km) |
| Regensburg to Clausthal-Zellerfeld | 207.44 mi (333.84 km) |
| Regensburg to Cloppenburg | 317.68 mi (511.26 km) |
| Regensburg to Coburg | 99.77 mi (160.57 km) |
| Regensburg to Coesfeld | 296.19 mi (476.67 km) |
| Regensburg to Cologne | 263.66 mi (424.32 km) |
| Regensburg to Coswig | 160.65 mi (258.54 km) |
