| Lockport to Marshall (Minnesota) | 438.70 mi (706.01 km) |
| Lockport to Marshall (Missouri) | 321.50 mi (517.40 km) |
| Lockport to Marshall (Texas) | 715.59 mi (1,151.63 km) |
| Lockport to Marshalltown (Iowa) | 253.01 mi (407.18 km) |
| Lockport to Marshfield (Wisconsin) | 238.18 mi (383.31 km) |
| Lockport to Martha Lake (Washington) | 1,718.64 mi (2,765.88 km) |
| Lockport to Martin (Tennessee) | 365.56 mi (588.31 km) |
| Lockport to Martinez (California) | 1,814.57 mi (2,920.27 km) |
| Lockport to Martinez (Georgia) | 644.89 mi (1,037.86 km) |
| Lockport to Martinsburg (West Virginia) | 547.72 mi (881.47 km) |
| Lockport to Martinsville (Indiana) | 172.16 mi (277.07 km) |
| Lockport to Martinsville (New Jersey) | 703.14 mi (1,131.59 km) |
| Lockport to Martinsville (Virginia) | 553.19 mi (890.28 km) |
| Lockport to Maryland City (Maryland) | 615.05 mi (989.82 km) |
| Lockport to Maryland Heights (Missouri) | 236.72 mi (380.96 km) |
