| Seymour to Maryland Heights (Missouri) | 247.19 mi (397.81 km) |
| Seymour to Marysville (California) | 1,902.67 mi (3,062.05 km) |
| Seymour to Marysville (Ohio) | 161.22 mi (259.46 km) |
| Seymour to Marysville (Washington) | 1,902.95 mi (3,062.51 km) |
| Seymour to Maryville (Missouri) | 487.11 mi (783.93 km) |
| Seymour to Maryville (Tennessee) | 244.81 mi (393.99 km) |
| Seymour to Mason (Ohio) | 89.70 mi (144.37 km) |
| Seymour to Mason City (Iowa) | 478.53 mi (770.12 km) |
| Seymour to Massapequa (New York) | 669.28 mi (1,077.10 km) |
| Seymour to Massapequa Park (New York) | 670.48 mi (1,079.03 km) |
| Seymour to Massillon (Ohio) | 263.96 mi (424.80 km) |
| Seymour to Mastic (New York) | 702.75 mi (1,130.97 km) |
| Seymour to Mastic Beach (New York) | 703.00 mi (1,131.37 km) |
| Seymour to Matteson (Illinois) | 202.26 mi (325.51 km) |
| Seymour to Matthews (North Carolina) | 389.25 mi (626.44 km) |
