| Castelnaudary to Bobenheim-Roxheim | 529.15 mi (851.59 km) |
| Castelnaudary to Bobingen | 546.40 mi (879.35 km) |
| Castelnaudary to Boblingen | 501.96 mi (807.83 km) |
| Castelnaudary to Bocholt | 626.87 mi (1,008.86 km) |
| Castelnaudary to Bochum | 615.01 mi (989.76 km) |
| Castelnaudary to Bockenem | 710.07 mi (1,142.74 km) |
| Castelnaudary to Bockhorn | 749.48 mi (1,206.16 km) |
| Castelnaudary to Bogen | 642.19 mi (1,033.51 km) |
| Castelnaudary to Bohl-Iggelheim | 516.12 mi (830.61 km) |
| Castelnaudary to Bohmte | 690.68 mi (1,111.55 km) |
| Castelnaudary to Boizenburg | 801.14 mi (1,289.31 km) |
| Castelnaudary to Bonen | 632.66 mi (1,018.17 km) |
| Castelnaudary to Bonn | 566.44 mi (911.59 km) |
| Castelnaudary to Bopfingen | 554.74 mi (892.77 km) |
| Castelnaudary to Boppard | 546.72 mi (879.86 km) |
