| Mercer Island to Bilecik | 6,141.14 mi (9,883.21 km) |
| Mercer Island to Bingol | 6,369.71 mi (10,251.06 km) |
| Mercer Island to Birecik | 6,465.76 mi (10,405.63 km) |
| Mercer Island to Bitlis | 6,419.27 mi (10,330.81 km) |
| Mercer Island to Bodrum | 6,298.60 mi (10,136.61 km) |
| Mercer Island to Bogazliyan | 6,284.25 mi (10,113.53 km) |
| Mercer Island to Bolu | 6,128.44 mi (9,862.77 km) |
| Mercer Island to Bolvadin | 6,252.53 mi (10,062.47 km) |
| Mercer Island to Bor | 6,362.01 mi (10,238.67 km) |
| Mercer Island to Borcka | 6,213.82 mi (10,000.18 km) |
| Mercer Island to Boyabat | 6,126.23 mi (9,859.21 km) |
| Mercer Island to Bozdogan | 6,273.65 mi (10,096.46 km) |
| Mercer Island to Bozkir | 6,372.69 mi (10,255.86 km) |
| Mercer Island to Bozkurt | 6,287.46 mi (10,118.68 km) |
| Mercer Island to Bozuyuk | 6,157.53 mi (9,909.59 km) |
