| Lockport to Mauldin (South Carolina) | 563.60 mi (907.02 km) |
| Lockport to Maumee (Ohio) | 225.62 mi (363.09 km) |
| Lockport to Maumelle (Arkansas) | 522.35 mi (840.65 km) |
| Lockport to Mayagüez (Puerto Rico) | 2,032.09 mi (3,270.34 km) |
| Lockport to Mayfield Heights (Ohio) | 339.96 mi (547.11 km) |
| Lockport to Mays Chapel (Maryland) | 615.44 mi (990.45 km) |
| Lockport to Maywood (California) | 1,718.29 mi (2,765.32 km) |
| Lockport to Maywood (Illinois) | 22.14 mi (35.64 km) |
| Lockport to McAlester (Oklahoma) | 622.83 mi (1,002.34 km) |
| Lockport to McAllen (Texas) | 1,210.46 mi (1,948.05 km) |
| Lockport to McCalla (Alabama) | 575.27 mi (925.81 km) |
| Lockport to McComb (Mississippi) | 727.56 mi (1,170.89 km) |
| Lockport to McDonough (Georgia) | 601.78 mi (968.46 km) |
| Lockport to McFarland (California) | 1,723.24 mi (2,773.29 km) |
| Lockport to McHenry (Illinois) | 53.44 mi (86.00 km) |
