| Longford to Manassas (Virginia) | 3,339.46 mi (5,374.35 km) |
| Longford to Manassas Park (Virginia) | 3,336.76 mi (5,370.00 km) |
| Longford to Manatí (Puerto Rico) | 3,929.03 mi (6,323.16 km) |
| Longford to Manchester (Missouri) | 3,858.19 mi (6,209.16 km) |
| Longford to Manchester (New Hampshire) | 2,909.81 mi (4,682.88 km) |
| Longford to Manchester (Tennessee) | 3,838.33 mi (6,177.19 km) |
| Longford to Manchester (Virginia) | 3,400.35 mi (5,472.34 km) |
| Longford to Mandan (North Dakota) | 3,835.77 mi (6,173.07 km) |
| Longford to Mandeville (Louisiana) | 4,253.83 mi (6,845.88 km) |
| Longford to Mango (Florida) | 4,063.12 mi (6,538.96 km) |
| Longford to Manhattan (Kansas) | 4,058.25 mi (6,531.12 km) |
| Longford to Manhattan (New York) | 3,106.24 mi (4,999.02 km) |
| Longford to Manhattan Beach (California) | 5,108.27 mi (8,220.97 km) |
| Longford to Manitowoc (Wisconsin) | 3,491.23 mi (5,618.59 km) |
| Longford to Mankato (Minnesota) | 3,719.88 mi (5,986.57 km) |
