| South Bend to Maryland Heights (Missouri) | 301.62 mi (485.41 km) |
| South Bend to Marysville (California) | 1,852.87 mi (2,981.90 km) |
| South Bend to Marysville (Ohio) | 181.87 mi (292.68 km) |
| South Bend to Marysville (Washington) | 1,794.20 mi (2,887.49 km) |
| South Bend to Maryville (Missouri) | 457.58 mi (736.40 km) |
| South Bend to Maryville (Tennessee) | 427.88 mi (688.60 km) |
| South Bend to Mason (Ohio) | 190.68 mi (306.87 km) |
| South Bend to Mason City (Iowa) | 367.73 mi (591.80 km) |
| South Bend to Massapequa (New York) | 668.68 mi (1,076.13 km) |
| South Bend to Massapequa Park (New York) | 669.59 mi (1,077.60 km) |
| South Bend to Massillon (Ohio) | 254.09 mi (408.91 km) |
| South Bend to Mastic (New York) | 699.15 mi (1,125.17 km) |
| South Bend to Mastic Beach (New York) | 700.20 mi (1,126.87 km) |
| South Bend to Matteson (Illinois) | 77.20 mi (124.24 km) |
| South Bend to Matthews (North Carolina) | 543.67 mi (874.95 km) |
