| Mercer Island to Borgosatollo | 5,394.06 mi (8,680.90 km) |
| Mercer Island to Borgosesia | 5,330.46 mi (8,578.55 km) |
| Mercer Island to Boscoreale | 5,782.33 mi (9,305.77 km) |
| Mercer Island to Boscotrecase | 5,780.92 mi (9,303.48 km) |
| Mercer Island to Botticino Sera | 5,390.49 mi (8,675.16 km) |
| Mercer Island to Bovalino Marina | 5,984.18 mi (9,630.60 km) |
| Mercer Island to Boves | 5,393.15 mi (8,679.43 km) |
| Mercer Island to Boville Ernica | 5,703.62 mi (9,179.10 km) |
| Mercer Island to Bovisio Masciago | 5,358.63 mi (8,623.89 km) |
| Mercer Island to Bovolone | 5,429.43 mi (8,737.82 km) |
| Mercer Island to Bra | 5,379.46 mi (8,657.41 km) |
| Mercer Island to Bracciano | 5,644.60 mi (9,084.10 km) |
| Mercer Island to Brandizzo | 5,351.20 mi (8,611.92 km) |
| Mercer Island to Breganze | 5,412.95 mi (8,711.31 km) |
| Mercer Island to Brembate | 5,369.61 mi (8,641.56 km) |
