| Acton to Bonita (California) | 5,475.36 mi (8,811.74 km) |
| Acton to Bonita Springs (Florida) | 4,459.73 mi (7,177.25 km) |
| Acton to Bonney Lake (Washington) | 4,800.28 mi (7,725.31 km) |
| Acton to Boone (Iowa) | 4,167.33 mi (6,706.67 km) |
| Acton to Boone (North Carolina) | 3,971.74 mi (6,391.89 km) |
| Acton to Borger (Texas) | 4,765.98 mi (7,670.10 km) |
| Acton to Bossier City (Louisiana) | 4,633.48 mi (7,456.87 km) |
| Acton to Boston (Massachusetts) | 3,267.82 mi (5,259.05 km) |
| Acton to Bostonia (California) | 5,463.92 mi (8,793.32 km) |
| Acton to Bothell (Washington) | 4,767.30 mi (7,672.23 km) |
| Acton to Bothell East (Washington) | 4,764.90 mi (7,668.37 km) |
| Acton to Bothell West (Washington) | 4,766.41 mi (7,670.80 km) |
| Acton to Boulder (Colorado) | 4,674.39 mi (7,522.71 km) |
| Acton to Boulder City (Nevada) | 5,226.77 mi (8,411.67 km) |
| Acton to Bound Brook (New Jersey) | 3,483.23 mi (5,605.72 km) |
