| Port Huron to Masanasa | 4,094.70 mi (6,589.79 km) |
| Port Huron to Masquefa | 4,115.11 mi (6,622.63 km) |
| Port Huron to Matadepera | 4,120.61 mi (6,631.47 km) |
| Port Huron to Mazarron | 4,120.92 mi (6,631.99 km) |
| Port Huron to Meco | 3,921.26 mi (6,310.66 km) |
| Port Huron to Medina del Campo | 3,823.57 mi (6,153.43 km) |
| Port Huron to Medina Sidonia | 3,949.18 mi (6,355.60 km) |
| Port Huron to Mejorada del Campo | 3,924.13 mi (6,315.28 km) |
| Port Huron to Meliana | 4,092.52 mi (6,586.27 km) |
| Port Huron to Mengibar | 3,992.35 mi (6,425.06 km) |
| Port Huron to Merida | 3,842.18 mi (6,183.39 km) |
| Port Huron to Miajadas | 3,845.71 mi (6,189.07 km) |
| Port Huron to Mieres | 3,719.86 mi (5,986.53 km) |
| Port Huron to Miguelturra | 3,949.57 mi (6,356.22 km) |
| Port Huron to Mijas | 4,004.48 mi (6,444.59 km) |
