| Port Huron to Montgomeryville (Pennsylvania) | 416.79 mi (670.76 km) |
| Port Huron to Monticello (Minnesota) | 585.04 mi (941.54 km) |
| Port Huron to Montrose (Colorado) | 1,361.44 mi (2,191.02 km) |
| Port Huron to Moody (Alabama) | 684.43 mi (1,101.48 km) |
| Port Huron to Moore (Oklahoma) | 961.38 mi (1,547.19 km) |
| Port Huron to Moorestown-Lenola (New Jersey) | 439.26 mi (706.92 km) |
| Port Huron to Mooresville (North Carolina) | 518.30 mi (834.13 km) |
| Port Huron to Moorhead (Minnesota) | 748.28 mi (1,204.25 km) |
| Port Huron to Moorpark (California) | 2,038.42 mi (3,280.51 km) |
| Port Huron to Moraga (California) | 2,097.67 mi (3,375.88 km) |
| Port Huron to Moreno Valley (California) | 1,966.24 mi (3,164.36 km) |
| Port Huron to Morgan City (Louisiana) | 1,037.31 mi (1,669.39 km) |
| Port Huron to Morgan Hill (California) | 2,092.61 mi (3,367.73 km) |
| Port Huron to Morganton (North Carolina) | 501.87 mi (807.69 km) |
| Port Huron to Morgantown (West Virginia) | 264.75 mi (426.07 km) |
