| Severn to Maryland Heights (Missouri) | 740.50 mi (1,191.71 km) |
| Severn to Marysville (California) | 2,380.02 mi (3,830.27 km) |
| Severn to Marysville (Ohio) | 362.20 mi (582.91 km) |
| Severn to Marysville (Washington) | 2,320.24 mi (3,734.06 km) |
| Severn to Maryville (Missouri) | 967.50 mi (1,557.05 km) |
| Severn to Maryville (Tennessee) | 462.88 mi (744.93 km) |
| Severn to Mason (Ohio) | 407.19 mi (655.31 km) |
| Severn to Mason City (Iowa) | 900.63 mi (1,449.43 km) |
| Severn to Massapequa (New York) | 201.04 mi (323.55 km) |
| Severn to Massapequa Park (New York) | 202.49 mi (325.87 km) |
| Severn to Massillon (Ohio) | 279.94 mi (450.52 km) |
| Severn to Mastic (New York) | 234.25 mi (376.98 km) |
| Severn to Mastic Beach (New York) | 233.35 mi (375.55 km) |
| Severn to Matteson (Illinois) | 604.33 mi (972.57 km) |
| Severn to Matthews (North Carolina) | 354.74 mi (570.90 km) |
