| Irthlingborough to Boppard | 382.69 mi (615.88 km) |
| Irthlingborough to Borgentreich | 423.02 mi (680.78 km) |
| Irthlingborough to Borgholzhausen | 377.46 mi (607.47 km) |
| Irthlingborough to Borken | 319.31 mi (513.89 km) |
| Irthlingborough to Borna | 566.68 mi (911.98 km) |
| Irthlingborough to Bornheim | 344.60 mi (554.58 km) |
| Irthlingborough to Bosel | 361.89 mi (582.41 km) |
| Irthlingborough to Bottrop | 325.70 mi (524.16 km) |
| Irthlingborough to Bovenden | 451.07 mi (725.93 km) |
| Irthlingborough to Brackenheim | 478.61 mi (770.25 km) |
| Irthlingborough to Brake | 385.85 mi (620.96 km) |
| Irthlingborough to Brakel | 418.35 mi (673.27 km) |
| Irthlingborough to Bramsche | 362.57 mi (583.50 km) |
| Irthlingborough to Brand | 310.86 mi (500.28 km) |
| Irthlingborough to Brand-Erbisdorf | 605.54 mi (974.52 km) |
