| Mercer Island to Boppard | 5,050.00 mi (8,127.18 km) |
| Mercer Island to Borgentreich | 5,010.84 mi (8,064.17 km) |
| Mercer Island to Borgholzhausen | 4,958.01 mi (7,979.15 km) |
| Mercer Island to Borken | 4,940.13 mi (7,950.37 km) |
| Mercer Island to Borna | 5,109.66 mi (8,223.20 km) |
| Mercer Island to Bornheim | 5,005.39 mi (8,055.39 km) |
| Mercer Island to Bosel | 4,897.56 mi (7,881.87 km) |
| Mercer Island to Bottrop | 4,959.24 mi (7,981.13 km) |
| Mercer Island to Bovenden | 5,024.70 mi (8,086.47 km) |
| Mercer Island to Brackenheim | 5,152.31 mi (8,291.84 km) |
| Mercer Island to Brake | 4,890.48 mi (7,870.47 km) |
| Mercer Island to Brakel | 5,000.54 mi (8,047.59 km) |
| Mercer Island to Bramsche | 4,933.33 mi (7,939.43 km) |
| Mercer Island to Brand | 4,985.72 mi (8,023.74 km) |
| Mercer Island to Brand-Erbisdorf | 5,142.22 mi (8,275.60 km) |
