| Bolu to Blumberg | 1,236.23 mi (1,989.53 km) |
| Bolu to Bobenheim-Roxheim | 1,279.60 mi (2,059.32 km) |
| Bolu to Bobingen | 1,144.12 mi (1,841.28 km) |
| Bolu to Boblingen | 1,231.55 mi (1,981.99 km) |
| Bolu to Bocholt | 1,407.50 mi (2,265.16 km) |
| Bolu to Bochum | 1,374.35 mi (2,211.80 km) |
| Bolu to Bockenem | 1,278.35 mi (2,057.31 km) |
| Bolu to Bockhorn | 1,402.35 mi (2,256.86 km) |
| Bolu to Bogen | 1,081.63 mi (1,740.71 km) |
| Bolu to Bohl-Iggelheim | 1,276.96 mi (2,055.07 km) |
| Bolu to Bohmte | 1,357.75 mi (2,185.08 km) |
| Bolu to Boizenburg | 1,306.03 mi (2,101.84 km) |
| Bolu to Bonen | 1,356.20 mi (2,182.59 km) |
| Bolu to Bonn | 1,359.57 mi (2,188.02 km) |
| Bolu to Bopfingen | 1,177.96 mi (1,895.75 km) |
