| Gourock to Blumberg | 796.43 mi (1,281.74 km) |
| Gourock to Bobenheim-Roxheim | 703.15 mi (1,131.61 km) |
| Gourock to Bobingen | 846.50 mi (1,362.31 km) |
| Gourock to Boblingen | 767.91 mi (1,235.83 km) |
| Gourock to Bocholt | 544.70 mi (876.61 km) |
| Gourock to Bochum | 579.78 mi (933.06 km) |
| Gourock to Bockenem | 663.89 mi (1,068.42 km) |
| Gourock to Bockhorn | 541.26 mi (871.08 km) |
| Gourock to Bogen | 879.23 mi (1,414.98 km) |
| Gourock to Bohl-Iggelheim | 711.70 mi (1,145.36 km) |
| Gourock to Bohmte | 585.08 mi (941.59 km) |
| Gourock to Boizenburg | 644.47 mi (1,037.17 km) |
| Gourock to Bonen | 593.89 mi (955.77 km) |
| Gourock to Bonn | 608.38 mi (979.10 km) |
| Gourock to Bopfingen | 802.89 mi (1,292.13 km) |
