| Acton to Bailey's Crossroads (Virginia) | 3,665.14 mi (5,898.48 km) |
| Acton to Bainbridge (Georgia) | 4,348.18 mi (6,997.71 km) |
| Acton to Bainbridge Island (Washington) | 4,783.59 mi (7,698.44 km) |
| Acton to Baker (Louisiana) | 4,632.57 mi (7,455.41 km) |
| Acton to Bakersfield (California) | 5,386.27 mi (8,668.36 km) |
| Acton to Balch Springs (Texas) | 4,738.25 mi (7,625.48 km) |
| Acton to Baldwin (New York) | 3,441.59 mi (5,538.70 km) |
| Acton to Baldwin (Pennsylvania) | 3,711.33 mi (5,972.81 km) |
| Acton to Baldwin Park (California) | 5,425.14 mi (8,730.91 km) |
| Acton to Ballenger Creek (Maryland) | 3,653.01 mi (5,878.95 km) |
| Acton to Ballwin (Missouri) | 4,209.66 mi (6,774.80 km) |
| Acton to Baltimore (Maryland) | 3,623.57 mi (5,831.57 km) |
| Acton to Bangor (Maine) | 3,073.37 mi (4,946.11 km) |
| Acton to Banning (California) | 5,398.19 mi (8,687.55 km) |
| Acton to Baraboo (Wisconsin) | 3,947.40 mi (6,352.73 km) |
