| Waltham to Leawood (Kansas) | 1,245.03 mi (2,003.69 km) |
| Waltham to Lebanon (Indiana) | 806.15 mi (1,297.38 km) |
| Waltham to Lebanon (Missouri) | 1,175.46 mi (1,891.72 km) |
| Waltham to Lebanon (New Hampshire) | 100.12 mi (161.13 km) |
| Waltham to Lebanon (Ohio) | 706.77 mi (1,137.44 km) |
| Waltham to Lebanon (Oregon) | 2,551.65 mi (4,106.49 km) |
| Waltham to Lebanon (Pennsylvania) | 303.54 mi (488.50 km) |
| Waltham to Lebanon (Tennessee) | 911.91 mi (1,467.57 km) |
| Waltham to Lee's Summit (Missouri) | 1,232.38 mi (1,983.33 km) |
| Waltham to Leeds (Alabama) | 1,031.77 mi (1,660.47 km) |
| Waltham to Leesburg (Florida) | 1,113.37 mi (1,791.80 km) |
| Waltham to Leesburg (Virginia) | 400.60 mi (644.71 km) |
| Waltham to Lehi (Utah) | 2,090.04 mi (3,363.60 km) |
| Waltham to Lehigh Acres (Florida) | 1,238.16 mi (1,992.62 km) |
| Waltham to Leisure City (Florida) | 1,278.87 mi (2,058.14 km) |
