| Waltham to Altus (Oklahoma) | 1,599.55 mi (2,574.22 km) |
| Waltham to Alum Rock (California) | 2,664.56 mi (4,288.20 km) |
| Waltham to Alvin (Texas) | 1,609.43 mi (2,590.13 km) |
| Waltham to Amarillo (Texas) | 1,710.05 mi (2,752.05 km) |
| Waltham to Amelia (Ohio) | 717.52 mi (1,154.74 km) |
| Waltham to American Canyon (California) | 2,664.18 mi (4,287.58 km) |
| Waltham to American Fork (Utah) | 2,086.89 mi (3,358.52 km) |
| Waltham to Americus (Georgia) | 1,006.71 mi (1,620.14 km) |
| Waltham to Ames (Iowa) | 1,142.31 mi (1,838.37 km) |
| Waltham to Amherst (Ohio) | 568.81 mi (915.41 km) |
| Waltham to Ammon (Idaho) | 2,040.33 mi (3,283.59 km) |
| Waltham to Amsterdam (New York) | 154.58 mi (248.77 km) |
| Waltham to Anacortes (Washington) | 2,478.64 mi (3,988.99 km) |
| Waltham to Anaheim (California) | 2,568.46 mi (4,133.54 km) |
| Waltham to Anchorage (Alaska) | 3,336.33 mi (5,369.31 km) |
