| Waltham to LaGrange (Georgia) | 991.21 mi (1,595.21 km) |
| Waltham to Laguna Beach (California) | 2,572.93 mi (4,140.73 km) |
| Waltham to Laguna Hills (California) | 2,568.27 mi (4,133.24 km) |
| Waltham to Laguna Niguel (California) | 2,570.64 mi (4,137.04 km) |
| Waltham to Laguna Woods (California) | 2,569.26 mi (4,134.83 km) |
| Waltham to Lahaina (Hawaii) | 5,031.11 mi (8,096.78 km) |
| Waltham to Lake Arbor (Maryland) | 378.76 mi (609.55 km) |
| Waltham to Lake Barcroft (Virginia) | 394.79 mi (635.35 km) |
| Waltham to Lake Butler (Florida) | 1,120.12 mi (1,802.67 km) |
| Waltham to Lake Charles (Louisiana) | 1,478.01 mi (2,378.63 km) |
| Waltham to Lake City (Florida) | 1,053.26 mi (1,695.06 km) |
| Waltham to Lake Elmo (Minnesota) | 1,093.63 mi (1,760.03 km) |
| Waltham to Lake Elsinore (California) | 2,546.70 mi (4,098.52 km) |
| Waltham to Lake Forest (California) | 2,564.66 mi (4,127.43 km) |
| Waltham to Lake Forest (Illinois) | 847.73 mi (1,364.29 km) |
