| Mercer Island to Bonhill | 4,430.25 mi (7,129.79 km) |
| Mercer Island to Bonnyrigg | 4,473.16 mi (7,198.86 km) |
| Mercer Island to Bootle | 4,604.15 mi (7,409.67 km) |
| Mercer Island to Borehamwood | 4,771.93 mi (7,679.68 km) |
| Mercer Island to Boscombe | 4,780.67 mi (7,693.74 km) |
| Mercer Island to Boston | 4,706.66 mi (7,574.64 km) |
| Mercer Island to Bottesford | 4,658.66 mi (7,497.39 km) |
| Mercer Island to Bourne | 4,708.69 mi (7,577.91 km) |
| Mercer Island to Bournemouth | 4,779.85 mi (7,692.42 km) |
| Mercer Island to Bournville | 4,686.23 mi (7,541.75 km) |
| Mercer Island to Bovingdon | 4,761.41 mi (7,662.75 km) |
| Mercer Island to Bowdon | 4,624.25 mi (7,442.01 km) |
| Mercer Island to Boxley | 4,812.77 mi (7,745.40 km) |
| Mercer Island to Brackley | 4,728.54 mi (7,609.86 km) |
| Mercer Island to Bracknell | 4,772.52 mi (7,680.63 km) |
