| Bologna to Blumberg | 267.33 mi (430.22 km) |
| Bologna to Bobenheim-Roxheim | 378.60 mi (609.29 km) |
| Bologna to Bobingen | 261.88 mi (421.45 km) |
| Bologna to Boblingen | 309.95 mi (498.81 km) |
| Bologna to Bocholt | 551.61 mi (887.73 km) |
| Bologna to Bochum | 518.96 mi (835.19 km) |
| Bologna to Bockenem | 522.39 mi (840.70 km) |
| Bologna to Bockhorn | 633.41 mi (1,019.37 km) |
| Bologna to Bogen | 312.10 mi (502.28 km) |
| Bologna to Bohl-Iggelheim | 366.07 mi (589.13 km) |
| Bologna to Bohmte | 561.24 mi (903.23 km) |
| Bologna to Boizenburg | 613.70 mi (987.66 km) |
| Bologna to Bonen | 517.88 mi (833.45 km) |
| Bologna to Bonn | 474.04 mi (762.89 km) |
| Bologna to Bopfingen | 305.08 mi (490.98 km) |
