| Irthlingborough to Blumberg | 509.79 mi (820.42 km) |
| Irthlingborough to Bobenheim-Roxheim | 433.70 mi (697.97 km) |
| Irthlingborough to Bobingen | 576.26 mi (927.40 km) |
| Irthlingborough to Boblingen | 491.61 mi (791.17 km) |
| Irthlingborough to Bocholt | 308.77 mi (496.92 km) |
| Irthlingborough to Bochum | 338.64 mi (544.99 km) |
| Irthlingborough to Bockenem | 455.49 mi (733.03 km) |
| Irthlingborough to Bockhorn | 367.37 mi (591.23 km) |
| Irthlingborough to Bogen | 627.49 mi (1,009.85 km) |
| Irthlingborough to Bohl-Iggelheim | 439.04 mi (706.57 km) |
| Irthlingborough to Bohmte | 376.73 mi (606.29 km) |
| Irthlingborough to Boizenburg | 477.76 mi (768.89 km) |
| Irthlingborough to Bonen | 359.78 mi (579.02 km) |
| Irthlingborough to Bonn | 349.12 mi (561.85 km) |
| Irthlingborough to Bopfingen | 536.63 mi (863.62 km) |
