| Waltham to Leland (North Carolina) | 674.14 mi (1,084.92 km) |
| Waltham to Lemay (Missouri) | 1,033.43 mi (1,663.14 km) |
| Waltham to Lemon Grove (California) | 2,562.31 mi (4,123.64 km) |
| Waltham to Lemon Hill (California) | 2,615.14 mi (4,208.66 km) |
| Waltham to Lemont (Illinois) | 859.26 mi (1,382.85 km) |
| Waltham to Lemoore (California) | 2,592.81 mi (4,172.72 km) |
| Waltham to Lenexa (Kansas) | 1,252.83 mi (2,016.23 km) |
| Waltham to Lennox (California) | 2,590.88 mi (4,169.61 km) |
| Waltham to Lenoir (North Carolina) | 709.01 mi (1,141.04 km) |
| Waltham to Leominster (Massachusetts) | 28.49 mi (45.85 km) |
| Waltham to Leon Valley (Texas) | 1,759.79 mi (2,832.12 km) |
| Waltham to Levelland (Texas) | 1,788.71 mi (2,878.65 km) |
| Waltham to Levittown (New York) | 164.33 mi (264.46 km) |
| Waltham to Levittown (Pennsylvania) | 242.90 mi (390.91 km) |
| Waltham to Lewisburg (Tennessee) | 961.31 mi (1,547.08 km) |
