| Irthlingborough to Bailey's Crossroads (Virginia) | 3,633.96 mi (5,848.29 km) |
| Irthlingborough to Bainbridge (Georgia) | 4,318.52 mi (6,949.98 km) |
| Irthlingborough to Bainbridge Island (Washington) | 4,730.35 mi (7,612.76 km) |
| Irthlingborough to Baker (Louisiana) | 4,599.24 mi (7,401.76 km) |
| Irthlingborough to Bakersfield (California) | 5,337.46 mi (8,589.82 km) |
| Irthlingborough to Balch Springs (Texas) | 4,700.70 mi (7,565.05 km) |
| Irthlingborough to Baldwin (New York) | 3,410.80 mi (5,489.16 km) |
| Irthlingborough to Baldwin (Pennsylvania) | 3,677.45 mi (5,918.28 km) |
| Irthlingborough to Baldwin Park (California) | 5,377.14 mi (8,653.67 km) |
| Irthlingborough to Ballenger Creek (Maryland) | 3,621.24 mi (5,827.82 km) |
| Irthlingborough to Ballwin (Missouri) | 4,171.75 mi (6,713.79 km) |
| Irthlingborough to Baltimore (Maryland) | 3,592.30 mi (5,781.24 km) |
| Irthlingborough to Bangor (Maine) | 3,041.18 mi (4,894.30 km) |
| Irthlingborough to Banning (California) | 5,350.67 mi (8,611.08 km) |
| Irthlingborough to Baraboo (Wisconsin) | 3,906.81 mi (6,287.40 km) |
