| Boston to Black Forest (Colorado) | 4,654.74 mi (7,491.08 km) |
| Boston to Blackfoot (Idaho) | 4,676.57 mi (7,526.22 km) |
| Boston to Blackhawk (California) | 5,266.21 mi (8,475.15 km) |
| Boston to Blacksburg (Virginia) | 3,851.36 mi (6,198.17 km) |
| Boston to Blackwells Mills (New Jersey) | 3,468.65 mi (5,582.26 km) |
| Boston to Blaine (Minnesota) | 3,947.94 mi (6,353.60 km) |
| Boston to Bloomingdale (Florida) | 4,391.95 mi (7,068.16 km) |
| Boston to Bloomingdale (Illinois) | 3,918.71 mi (6,306.56 km) |
| Boston to Bloomington (California) | 5,349.59 mi (8,609.34 km) |
| Boston to Bloomington (Illinois) | 4,022.70 mi (6,473.91 km) |
| Boston to Bloomington (Indiana) | 3,994.58 mi (6,428.66 km) |
| Boston to Bloomington (Minnesota) | 3,968.08 mi (6,386.00 km) |
| Boston to Bloomsburg (Pennsylvania) | 3,518.29 mi (5,662.13 km) |
| Boston to Blue Ash (Ohio) | 3,908.57 mi (6,290.23 km) |
| Boston to Blue Island (Illinois) | 3,917.57 mi (6,304.72 km) |
