| Waltham to La Quinta (California) | 2,493.83 mi (4,013.44 km) |
| Waltham to La Riviera (California) | 2,608.66 mi (4,198.23 km) |
| Waltham to La Vergne (Tennessee) | 928.67 mi (1,494.54 km) |
| Waltham to La Verne (California) | 2,555.14 mi (4,112.10 km) |
| Waltham to La Vista (Nebraska) | 1,277.08 mi (2,055.27 km) |
| Waltham to Lacey (Washington) | 2,505.15 mi (4,031.65 km) |
| Waltham to Lackawanna (New York) | 387.02 mi (622.84 km) |
| Waltham to Laconia (New Hampshire) | 82.64 mi (132.99 km) |
| Waltham to Ladera Ranch (California) | 2,566.71 mi (4,130.72 km) |
| Waltham to Ladson (South Carolina) | 808.24 mi (1,300.74 km) |
| Waltham to Lady Lake (Florida) | 1,104.96 mi (1,778.25 km) |
| Waltham to Lafayette (California) | 2,664.99 mi (4,288.88 km) |
| Waltham to Lafayette (Colorado) | 1,756.44 mi (2,826.72 km) |
| Waltham to Lafayette (Indiana) | 819.84 mi (1,319.41 km) |
| Waltham to Lafayette (Louisiana) | 1,424.83 mi (2,293.04 km) |
