| Irondale to Bonhill | 4,043.57 mi (6,507.49 km) |
| Irondale to Bonnyrigg | 4,100.22 mi (6,598.67 km) |
| Irondale to Bootle | 4,152.01 mi (6,682.01 km) |
| Irondale to Borehamwood | 4,299.48 mi (6,919.35 km) |
| Irondale to Boscombe | 4,257.21 mi (6,851.31 km) |
| Irondale to Boston | 4,278.82 mi (6,886.10 km) |
| Irondale to Bottesford | 4,240.38 mi (6,824.23 km) |
| Irondale to Bourne | 4,269.52 mi (6,871.13 km) |
| Irondale to Bournemouth | 4,255.67 mi (6,848.84 km) |
| Irondale to Bournville | 4,215.21 mi (6,783.72 km) |
| Irondale to Bovingdon | 4,287.30 mi (6,899.74 km) |
| Irondale to Bowdon | 4,177.94 mi (6,723.74 km) |
| Irondale to Boxley | 4,340.90 mi (6,986.00 km) |
| Irondale to Brackley | 4,255.65 mi (6,848.80 km) |
| Irondale to Bracknell | 4,285.88 mi (6,897.45 km) |
