| Grenchen to Blumberg | 69.48 mi (111.82 km) |
| Grenchen to Bobenheim-Roxheim | 171.18 mi (275.49 km) |
| Grenchen to Bobingen | 175.47 mi (282.39 km) |
| Grenchen to Boblingen | 127.61 mi (205.36 km) |
| Grenchen to Bocholt | 322.68 mi (519.30 km) |
| Grenchen to Bochum | 296.61 mi (477.35 km) |
| Grenchen to Bockenem | 354.85 mi (571.07 km) |
| Grenchen to Bockhorn | 429.90 mi (691.85 km) |
| Grenchen to Bogen | 271.66 mi (437.19 km) |
| Grenchen to Bohl-Iggelheim | 156.40 mi (251.71 km) |
| Grenchen to Bohmte | 359.97 mi (579.32 km) |
| Grenchen to Boizenburg | 451.08 mi (725.95 km) |
| Grenchen to Bonen | 305.00 mi (490.85 km) |
| Grenchen to Bonn | 245.15 mi (394.52 km) |
| Grenchen to Bopfingen | 178.62 mi (287.45 km) |
