| Koblenz to Blumberg | 179.22 mi (288.43 km) |
| Koblenz to Bobenheim-Roxheim | 63.43 mi (102.08 km) |
| Koblenz to Bobingen | 204.74 mi (329.50 km) |
| Koblenz to Boblingen | 131.98 mi (212.41 km) |
| Koblenz to Bocholt | 110.35 mi (177.60 km) |
| Koblenz to Bochum | 79.30 mi (127.62 km) |
| Koblenz to Bockenem | 158.32 mi (254.80 km) |
| Koblenz to Bockhorn | 210.82 mi (339.28 km) |
| Koblenz to Bogen | 248.37 mi (399.71 km) |
| Koblenz to Bohl-Iggelheim | 75.27 mi (121.13 km) |
| Koblenz to Bohmte | 142.09 mi (228.68 km) |
| Koblenz to Boizenburg | 246.68 mi (396.99 km) |
| Koblenz to Bonen | 85.89 mi (138.22 km) |
| Koblenz to Bonn | 33.82 mi (54.43 km) |
| Koblenz to Bopfingen | 161.19 mi (259.42 km) |
