| Longford to Monticello (Minnesota) | 3,660.66 mi (5,891.27 km) |
| Longford to Montrose (Colorado) | 4,499.77 mi (7,241.67 km) |
| Longford to Moody (Alabama) | 3,947.36 mi (6,352.66 km) |
| Longford to Moore (Oklahoma) | 4,286.17 mi (6,897.92 km) |
| Longford to Moorestown-Lenola (New Jersey) | 3,182.86 mi (5,122.32 km) |
| Longford to Mooresville (North Carolina) | 3,623.23 mi (5,831.03 km) |
| Longford to Moorhead (Minnesota) | 3,691.75 mi (5,941.29 km) |
| Longford to Moorpark (California) | 5,101.67 mi (8,210.35 km) |
| Longford to Moraga (California) | 5,003.11 mi (8,051.73 km) |
| Longford to Moreno Valley (California) | 5,066.69 mi (8,154.05 km) |
| Longford to Morgan City (Louisiana) | 4,332.25 mi (6,972.08 km) |
| Longford to Morgan Hill (California) | 5,028.72 mi (8,092.94 km) |
| Longford to Morganton (North Carolina) | 3,650.67 mi (5,875.19 km) |
| Longford to Morgantown (West Virginia) | 3,396.40 mi (5,465.97 km) |
| Longford to Morris (Illinois) | 3,645.31 mi (5,866.56 km) |
