| Romanshorn to Butzbach | 200.99 mi (323.47 km) |
| Romanshorn to Buxtehude | 408.86 mi (657.99 km) |
| Romanshorn to Cadolzburg | 147.54 mi (237.44 km) |
| Romanshorn to Calbe | 318.68 mi (512.86 km) |
| Romanshorn to Calw | 84.70 mi (136.31 km) |
| Romanshorn to Castrop-Rauxel | 290.18 mi (467.01 km) |
| Romanshorn to Celle | 351.23 mi (565.25 km) |
| Romanshorn to Cham | 189.40 mi (304.81 km) |
| Romanshorn to Chemnitz | 277.20 mi (446.11 km) |
| Romanshorn to Clausthal-Zellerfeld | 296.30 mi (476.85 km) |
| Romanshorn to Cloppenburg | 369.78 mi (595.11 km) |
| Romanshorn to Coburg | 200.56 mi (322.77 km) |
| Romanshorn to Coesfeld | 318.41 mi (512.43 km) |
| Romanshorn to Cologne | 256.99 mi (413.58 km) |
| Romanshorn to Coswig | 311.39 mi (501.14 km) |
