| Longford to Marshall (Minnesota) | 3,772.02 mi (6,070.48 km) |
| Longford to Marshall (Missouri) | 3,934.63 mi (6,332.17 km) |
| Longford to Marshall (Texas) | 4,310.00 mi (6,936.28 km) |
| Longford to Marshalltown (Iowa) | 3,782.12 mi (6,086.73 km) |
| Longford to Marshfield (Wisconsin) | 3,558.08 mi (5,726.18 km) |
| Longford to Martha Lake (Washington) | 4,443.55 mi (7,151.20 km) |
| Longford to Martin (Tennessee) | 3,904.18 mi (6,283.16 km) |
| Longford to Martinez (California) | 4,994.10 mi (8,037.24 km) |
| Longford to Martinez (Georgia) | 3,775.31 mi (6,075.77 km) |
| Longford to Martinsburg (West Virginia) | 3,326.45 mi (5,353.40 km) |
| Longford to Martinsville (Indiana) | 3,661.12 mi (5,892.00 km) |
| Longford to Martinsville (New Jersey) | 3,138.67 mi (5,051.20 km) |
| Longford to Martinsville (Virginia) | 3,531.86 mi (5,683.98 km) |
| Longford to Maryland City (Maryland) | 3,295.99 mi (5,304.38 km) |
| Longford to Maryland Heights (Missouri) | 3,850.37 mi (6,196.57 km) |
