| Port Huron to Maryland Heights (Missouri) | 512.61 mi (824.97 km) |
| Port Huron to Marysville (California) | 2,037.61 mi (3,279.22 km) |
| Port Huron to Marysville (Ohio) | 196.15 mi (315.67 km) |
| Port Huron to Marysville (Washington) | 1,932.11 mi (3,109.44 km) |
| Port Huron to Maryville (Missouri) | 666.37 mi (1,072.42 km) |
| Port Huron to Maryville (Tennessee) | 506.61 mi (815.31 km) |
| Port Huron to Mason (Ohio) | 268.54 mi (432.18 km) |
| Port Huron to Mason City (Iowa) | 542.94 mi (873.77 km) |
| Port Huron to Massapequa (New York) | 488.36 mi (785.94 km) |
| Port Huron to Massapequa Park (New York) | 489.01 mi (786.99 km) |
| Port Huron to Massillon (Ohio) | 158.99 mi (255.86 km) |
| Port Huron to Mastic (New York) | 515.25 mi (829.22 km) |
| Port Huron to Mastic Beach (New York) | 516.83 mi (831.75 km) |
| Port Huron to Matteson (Illinois) | 289.87 mi (466.49 km) |
| Port Huron to Matthews (North Carolina) | 551.08 mi (886.87 km) |
