| Mercer Island to Benisa | 5,500.29 mi (8,851.87 km) |
| Mercer Island to Berga | 5,363.42 mi (8,631.59 km) |
| Mercer Island to Berja | 5,508.14 mi (8,864.50 km) |
| Mercer Island to Bermeo | 5,152.85 mi (8,292.71 km) |
| Mercer Island to Berriozar | 5,217.15 mi (8,396.19 km) |
| Mercer Island to Betanzos | 4,987.22 mi (8,026.16 km) |
| Mercer Island to Betera | 5,434.92 mi (8,746.66 km) |
| Mercer Island to Bilbao | 5,155.74 mi (8,297.36 km) |
| Mercer Island to Binefar | 5,331.64 mi (8,580.45 km) |
| Mercer Island to Binisalem | 5,530.26 mi (8,900.09 km) |
| Mercer Island to Blanes | 5,415.30 mi (8,715.09 km) |
| Mercer Island to Boadilla del Monte | 5,281.81 mi (8,500.25 km) |
| Mercer Island to Boiro | 4,997.69 mi (8,043.01 km) |
| Mercer Island to Bolanos de Calatrava | 5,370.46 mi (8,642.92 km) |
| Mercer Island to Bollullos de la Mitacion | 5,374.43 mi (8,649.31 km) |
