| Acton to Bel Air (Maryland) | 3,602.39 mi (5,797.48 km) |
| Acton to Bel Air North (Maryland) | 3,602.63 mi (5,797.87 km) |
| Acton to Bel Air South (Maryland) | 3,602.42 mi (5,797.54 km) |
| Acton to Belgrade (Montana) | 4,562.88 mi (7,343.25 km) |
| Acton to Bell (California) | 5,437.69 mi (8,751.11 km) |
| Acton to Bell Gardens (California) | 5,437.68 mi (8,751.10 km) |
| Acton to Bella Vista (Arkansas) | 4,457.34 mi (7,173.40 km) |
| Acton to Bellair-Meadowbrook Terrace (Florida) | 4,266.48 mi (6,866.24 km) |
| Acton to Bellaire (Texas) | 4,849.42 mi (7,804.39 km) |
| Acton to Belle Chasse (Louisiana) | 4,623.03 mi (7,440.04 km) |
| Acton to Belle Glade (Florida) | 4,395.47 mi (7,073.82 km) |
| Acton to Bellefontaine (Ohio) | 3,862.15 mi (6,215.53 km) |
| Acton to Bellefontaine Neighbors (Missouri) | 4,189.63 mi (6,742.55 km) |
| Acton to Belleville (Illinois) | 4,191.90 mi (6,746.21 km) |
| Acton to Bellevue (Nebraska) | 4,286.90 mi (6,899.09 km) |
