| Waltham to Laredo (Texas) | 1,885.15 mi (3,033.86 km) |
| Waltham to Largo (Florida) | 1,191.24 mi (1,917.12 km) |
| Waltham to Largo (Maryland) | 380.09 mi (611.70 km) |
| Waltham to Larkspur (California) | 2,684.35 mi (4,320.04 km) |
| Waltham to Las Cruces (New Mexico) | 2,054.66 mi (3,306.66 km) |
| Waltham to Las Vegas (Nevada) | 2,364.53 mi (3,805.34 km) |
| Waltham to Las Vegas (New Mexico) | 1,870.38 mi (3,010.08 km) |
| Waltham to Latham (New York) | 129.91 mi (209.07 km) |
| Waltham to Lathrop (California) | 2,626.83 mi (4,227.47 km) |
| Waltham to Lauderdale Lakes (Florida) | 1,230.18 mi (1,979.78 km) |
| Waltham to Lauderhill (Florida) | 1,231.19 mi (1,981.41 km) |
| Waltham to Laurel (Florida) | 1,227.64 mi (1,975.70 km) |
| Waltham to Laurel (Maryland) | 371.81 mi (598.37 km) |
| Waltham to Laurel (Mississippi) | 1,228.86 mi (1,977.67 km) |
| Waltham to Laurel (Virginia) | 466.27 mi (750.39 km) |
