| Waltham to Baraboo (Wisconsin) | 936.71 mi (1,507.49 km) |
| Waltham to Barberton (Ohio) | 542.60 mi (873.23 km) |
| Waltham to Bardstown (Kentucky) | 813.51 mi (1,309.22 km) |
| Waltham to Barrington (Illinois) | 862.07 mi (1,387.36 km) |
| Waltham to Barstow (California) | 2,495.29 mi (4,015.78 km) |
| Waltham to Bartlesville (Oklahoma) | 1,367.01 mi (2,199.99 km) |
| Waltham to Bartlett (Illinois) | 867.56 mi (1,396.21 km) |
| Waltham to Bartlett (Tennessee) | 1,112.41 mi (1,790.25 km) |
| Waltham to Bartow (Florida) | 1,164.56 mi (1,874.18 km) |
| Waltham to Batavia (Illinois) | 874.10 mi (1,406.74 km) |
| Waltham to Batavia (New York) | 354.73 mi (570.89 km) |
| Waltham to Batesville (Arkansas) | 1,181.16 mi (1,900.89 km) |
| Waltham to Baton Rouge (Louisiana) | 1,374.12 mi (2,211.44 km) |
| Waltham to Battle Creek (Michigan) | 713.52 mi (1,148.31 km) |
| Waltham to Battle Ground (Washington) | 2,512.89 mi (4,044.10 km) |
