| Waltham to Lewiston (Idaho) | 2,243.96 mi (3,611.30 km) |
| Waltham to Lewiston (Maine) | 129.47 mi (208.35 km) |
| Waltham to Lewisville (North Carolina) | 654.74 mi (1,053.70 km) |
| Waltham to Lewisville (Texas) | 1,539.79 mi (2,478.05 km) |
| Waltham to Lexington (Kentucky) | 758.16 mi (1,220.13 km) |
| Waltham to Lexington (Nebraska) | 1,470.39 mi (2,366.36 km) |
| Waltham to Lexington (North Carolina) | 663.65 mi (1,068.04 km) |
| Waltham to Lexington (South Carolina) | 792.88 mi (1,276.02 km) |
| Waltham to Lexington Park (Maryland) | 395.71 mi (636.83 km) |
| Waltham to Liberal (Kansas) | 1,611.54 mi (2,593.52 km) |
| Waltham to Liberty (Missouri) | 1,227.35 mi (1,975.23 km) |
| Waltham to Liberty Lake (Washington) | 2,235.48 mi (3,597.66 km) |
| Waltham to Liberty Triangle (Florida) | 1,104.70 mi (1,777.84 km) |
| Waltham to Libertyville (Illinois) | 852.82 mi (1,372.49 km) |
| Waltham to Lighthouse Point (Florida) | 1,220.49 mi (1,964.20 km) |
