| Acton to Barberton (Ohio) | 3,747.59 mi (6,031.16 km) |
| Acton to Bardstown (Kentucky) | 4,047.91 mi (6,514.48 km) |
| Acton to Barrington (Illinois) | 3,948.17 mi (6,353.96 km) |
| Acton to Barstow (California) | 5,350.70 mi (8,611.13 km) |
| Acton to Bartlesville (Oklahoma) | 4,507.39 mi (7,253.94 km) |
| Acton to Bartlett (Illinois) | 3,959.12 mi (6,371.59 km) |
| Acton to Bartlett (Tennessee) | 4,345.79 mi (6,993.88 km) |
| Acton to Bartow (Florida) | 4,384.15 mi (7,055.61 km) |
| Acton to Batavia (Illinois) | 3,969.23 mi (6,387.86 km) |
| Acton to Batavia (New York) | 3,524.58 mi (5,672.26 km) |
| Acton to Batesville (Arkansas) | 4,389.99 mi (7,065.01 km) |
| Acton to Baton Rouge (Louisiana) | 4,638.68 mi (7,465.23 km) |
| Acton to Battle Creek (Michigan) | 3,830.69 mi (6,164.90 km) |
| Acton to Battle Ground (Washington) | 4,890.43 mi (7,870.38 km) |
| Acton to Bay City (Michigan) | 3,721.12 mi (5,988.57 km) |
