| Defiance to Marysville (California) | 1,954.09 mi (3,144.81 km) |
| Defiance to Marysville (Ohio) | 89.84 mi (144.58 km) |
| Defiance to Marysville (Washington) | 1,894.45 mi (3,048.82 km) |
| Defiance to Maryville (Missouri) | 552.79 mi (889.63 km) |
| Defiance to Maryville (Tennessee) | 382.97 mi (616.33 km) |
| Defiance to Mason (Ohio) | 132.99 mi (214.03 km) |
| Defiance to Mason City (Iowa) | 469.85 mi (756.15 km) |
| Defiance to Massapequa (New York) | 569.55 mi (916.61 km) |
| Defiance to Massapequa Park (New York) | 570.51 mi (918.15 km) |
| Defiance to Massillon (Ohio) | 151.97 mi (244.57 km) |
| Defiance to Mastic (New York) | 600.63 mi (966.62 km) |
| Defiance to Mastic Beach (New York) | 601.56 mi (968.12 km) |
| Defiance to Matteson (Illinois) | 175.94 mi (283.15 km) |
| Defiance to Matthews (North Carolina) | 469.61 mi (755.77 km) |
| Defiance to Mattoon (Illinois) | 244.47 mi (393.43 km) |
