| Mercer Island to Belvedere Marittimo | 5,886.43 mi (9,473.30 km) |
| Mercer Island to Benevento | 5,767.17 mi (9,281.36 km) |
| Mercer Island to Bergamo | 5,366.97 mi (8,637.30 km) |
| Mercer Island to Bernalda | 5,856.43 mi (9,425.01 km) |
| Mercer Island to Bertinoro | 5,519.77 mi (8,883.22 km) |
| Mercer Island to Besana in Brianza | 5,357.05 mi (8,621.33 km) |
| Mercer Island to Besozzo | 5,332.74 mi (8,582.21 km) |
| Mercer Island to Biancavilla | 5,982.74 mi (9,628.28 km) |
| Mercer Island to Biassono | 5,360.57 mi (8,627.01 km) |
| Mercer Island to Bibbiano | 5,447.87 mi (8,767.50 km) |
| Mercer Island to Bibbiena | 5,539.12 mi (8,914.35 km) |
| Mercer Island to Biella | 5,334.18 mi (8,584.53 km) |
| Mercer Island to Bisceglie | 5,801.18 mi (9,336.10 km) |
| Mercer Island to Bisignano | 5,902.59 mi (9,499.31 km) |
| Mercer Island to Bitetto | 5,819.83 mi (9,366.12 km) |
