| Romanshorn to Blumberg | 42.71 mi (68.74 km) |
| Romanshorn to Bobenheim-Roxheim | 146.82 mi (236.29 km) |
| Romanshorn to Bobingen | 83.27 mi (134.00 km) |
| Romanshorn to Boblingen | 79.11 mi (127.31 km) |
| Romanshorn to Bocholt | 319.35 mi (513.95 km) |
| Romanshorn to Bochum | 287.22 mi (462.24 km) |
| Romanshorn to Bockenem | 309.28 mi (497.73 km) |
| Romanshorn to Bockhorn | 407.52 mi (655.84 km) |
| Romanshorn to Bogen | 179.36 mi (288.65 km) |
| Romanshorn to Bohl-Iggelheim | 133.82 mi (215.36 km) |
| Romanshorn to Bohmte | 335.06 mi (539.23 km) |
| Romanshorn to Boizenburg | 405.38 mi (652.40 km) |
| Romanshorn to Bonen | 287.81 mi (463.19 km) |
| Romanshorn to Bonn | 241.56 mi (388.75 km) |
| Romanshorn to Bopfingen | 100.44 mi (161.64 km) |
