| Waltham to Bonham (Texas) | 1,481.19 mi (2,383.74 km) |
| Waltham to Bonita (California) | 2,564.32 mi (4,126.87 km) |
| Waltham to Bonita Springs (Florida) | 1,258.05 mi (2,024.64 km) |
| Waltham to Bonney Lake (Washington) | 2,474.59 mi (3,982.46 km) |
| Waltham to Boone (Iowa) | 1,154.96 mi (1,858.73 km) |
| Waltham to Boone (North Carolina) | 701.15 mi (1,128.39 km) |
| Waltham to Borger (Texas) | 1,674.38 mi (2,694.65 km) |
| Waltham to Bossier City (Louisiana) | 1,399.97 mi (2,253.04 km) |
| Waltham to Boston (Massachusetts) | 9.37 mi (15.08 km) |
| Waltham to Bostonia (California) | 2,555.07 mi (4,111.99 km) |
| Waltham to Bothell (Washington) | 2,468.24 mi (3,972.25 km) |
| Waltham to Bothell East (Washington) | 2,466.91 mi (3,970.11 km) |
| Waltham to Bothell West (Washington) | 2,469.46 mi (3,974.21 km) |
| Waltham to Boulder (Colorado) | 1,763.59 mi (2,838.22 km) |
| Waltham to Boulder City (Nevada) | 2,358.43 mi (3,795.53 km) |
