| Lockport to McKeesport (Pennsylvania) | 435.49 mi (700.86 km) |
| Lockport to McKinleyville (California) | 1,859.24 mi (2,992.16 km) |
| Lockport to McKinney (Texas) | 748.00 mi (1,203.79 km) |
| Lockport to McLean (Virginia) | 599.30 mi (964.48 km) |
| Lockport to McMinnville (Oregon) | 1,768.57 mi (2,846.23 km) |
| Lockport to McMinnville (Tennessee) | 425.56 mi (684.86 km) |
| Lockport to McNair (Virginia) | 588.24 mi (946.68 km) |
| Lockport to McPherson (Kansas) | 555.89 mi (894.62 km) |
| Lockport to Mead Valley (California) | 1,677.03 mi (2,698.92 km) |
| Lockport to Meadow Woods (Florida) | 987.89 mi (1,589.85 km) |
| Lockport to Meadowbrook (Virginia) | 631.22 mi (1,015.85 km) |
| Lockport to Meadville (Pennsylvania) | 407.03 mi (655.05 km) |
| Lockport to Mebane (North Carolina) | 605.03 mi (973.71 km) |
| Lockport to Mechanicsville (Virginia) | 630.11 mi (1,014.06 km) |
| Lockport to Medford (Massachusetts) | 869.18 mi (1,398.80 km) |
