| Waltham to Bound Brook (New Jersey) | 211.98 mi (341.14 km) |
| Waltham to Bountiful (Utah) | 2,080.42 mi (3,348.12 km) |
| Waltham to Bourbonnais (Illinois) | 859.72 mi (1,383.59 km) |
| Waltham to Bowie (Maryland) | 373.11 mi (600.46 km) |
| Waltham to Bowling Green (Kentucky) | 888.79 mi (1,430.38 km) |
| Waltham to Bowling Green (Ohio) | 641.46 mi (1,032.34 km) |
| Waltham to Box Elder (South Dakota) | 1,596.73 mi (2,569.69 km) |
| Waltham to Boynton Beach (Florida) | 1,204.33 mi (1,938.18 km) |
| Waltham to Bozeman (Montana) | 1,970.09 mi (3,170.55 km) |
| Waltham to Bradenton (Florida) | 1,210.60 mi (1,948.27 km) |
| Waltham to Bradfordville (Florida) | 1,086.02 mi (1,747.78 km) |
| Waltham to Bradley (Illinois) | 858.28 mi (1,381.27 km) |
| Waltham to Bradley Gardens (New Jersey) | 217.26 mi (349.65 km) |
| Waltham to Brainerd (Minnesota) | 1,161.94 mi (1,869.96 km) |
| Waltham to Brambleton (Virginia) | 404.88 mi (651.59 km) |
