| Waltham to Blue Island (Illinois) | 843.95 mi (1,358.21 km) |
| Waltham to Blue Springs (Missouri) | 1,224.71 mi (1,970.99 km) |
| Waltham to Bluffdale (Utah) | 2,092.09 mi (3,366.89 km) |
| Waltham to Bluffton (Indiana) | 728.23 mi (1,171.97 km) |
| Waltham to Bluffton (South Carolina) | 880.67 mi (1,417.30 km) |
| Waltham to Blythe (California) | 2,410.19 mi (3,878.83 km) |
| Waltham to Blytheville (Arkansas) | 1,091.78 mi (1,757.05 km) |
| Waltham to Boca Raton (Florida) | 1,214.74 mi (1,954.94 km) |
| Waltham to Boerne (Texas) | 1,753.08 mi (2,821.30 km) |
| Waltham to Bogalusa (Louisiana) | 1,302.86 mi (2,096.75 km) |
| Waltham to Boiling Springs (South Carolina) | 768.57 mi (1,236.89 km) |
| Waltham to Boise (Idaho) | 2,246.97 mi (3,616.15 km) |
| Waltham to Bolingbrook (Illinois) | 865.08 mi (1,392.20 km) |
| Waltham to Bolivar (Missouri) | 1,215.42 mi (1,956.03 km) |
| Waltham to Bon Air (Virginia) | 474.70 mi (763.96 km) |
