| Mercer Island to Badger (Alaska) | 1,512.97 mi (2,434.88 km) |
| Mercer Island to Bailey's Crossroads (Virginia) | 2,314.73 mi (3,725.19 km) |
| Mercer Island to Bainbridge (Georgia) | 2,289.27 mi (3,684.22 km) |
| Mercer Island to Bainbridge Island (Washington) | 15.47 mi (24.90 km) |
| Mercer Island to Baker (Louisiana) | 2,016.58 mi (3,245.38 km) |
| Mercer Island to Bakersfield (California) | 859.72 mi (1,383.59 km) |
| Mercer Island to Balch Springs (Texas) | 1,684.62 mi (2,711.13 km) |
| Mercer Island to Baldwin (New York) | 2,418.07 mi (3,891.50 km) |
| Mercer Island to Baldwin (Pennsylvania) | 2,131.76 mi (3,430.74 km) |
| Mercer Island to Baldwin Park (California) | 957.46 mi (1,540.88 km) |
| Mercer Island to Ballenger Creek (Maryland) | 2,282.99 mi (3,674.12 km) |
| Mercer Island to Ballwin (Missouri) | 1,700.25 mi (2,736.28 km) |
| Mercer Island to Baltimore (Maryland) | 2,323.10 mi (3,738.66 km) |
| Mercer Island to Bangor (Maine) | 2,511.78 mi (4,042.33 km) |
| Mercer Island to Banning (California) | 980.96 mi (1,578.70 km) |
