| Mercer Island to Bixby (Oklahoma) | 1,566.47 mi (2,520.99 km) |
| Mercer Island to Black Forest (Colorado) | 1,056.53 mi (1,700.32 km) |
| Mercer Island to Blackfoot (Idaho) | 566.33 mi (911.41 km) |
| Mercer Island to Blackhawk (California) | 673.87 mi (1,084.50 km) |
| Mercer Island to Blacksburg (Virginia) | 2,218.75 mi (3,570.73 km) |
| Mercer Island to Blackwells Mills (New Jersey) | 2,377.85 mi (3,826.79 km) |
| Mercer Island to Blaine (Minnesota) | 1,385.43 mi (2,229.63 km) |
| Mercer Island to Bloomingdale (Florida) | 2,532.86 mi (4,076.24 km) |
| Mercer Island to Bloomingdale (Illinois) | 1,704.72 mi (2,743.48 km) |
| Mercer Island to Bloomington (California) | 966.26 mi (1,555.04 km) |
| Mercer Island to Bloomington (Illinois) | 1,708.89 mi (2,750.19 km) |
| Mercer Island to Bloomington (Indiana) | 1,866.25 mi (3,003.43 km) |
| Mercer Island to Bloomington (Minnesota) | 1,387.56 mi (2,233.07 km) |
| Mercer Island to Bloomsburg (Pennsylvania) | 2,274.83 mi (3,660.98 km) |
| Mercer Island to Blue Ash (Ohio) | 1,963.03 mi (3,159.20 km) |
