| Longford to Marysville (California) | 4,912.21 mi (7,905.44 km) |
| Longford to Marysville (Ohio) | 3,503.37 mi (5,638.14 km) |
| Longford to Marysville (Washington) | 4,428.53 mi (7,127.03 km) |
| Longford to Maryville (Missouri) | 3,936.84 mi (6,335.73 km) |
| Longford to Maryville (Tennessee) | 3,741.25 mi (6,020.95 km) |
| Longford to Mason (Ohio) | 3,580.94 mi (5,762.97 km) |
| Longford to Mason City (Iowa) | 3,739.87 mi (6,018.74 km) |
| Longford to Massapequa (New York) | 3,091.51 mi (4,975.31 km) |
| Longford to Massapequa Park (New York) | 3,090.04 mi (4,972.95 km) |
| Longford to Massillon (Ohio) | 3,405.98 mi (5,481.40 km) |
| Longford to Mastic (New York) | 3,060.22 mi (4,924.94 km) |
| Longford to Mastic Beach (New York) | 3,061.68 mi (4,927.31 km) |
| Longford to Matteson (Illinois) | 3,612.98 mi (5,814.54 km) |
| Longford to Matthews (North Carolina) | 3,641.11 mi (5,859.81 km) |
| Longford to Mattoon (Illinois) | 3,732.70 mi (6,007.20 km) |
