| Port Huron to Marsala | 4,723.37 mi (7,601.53 km) |
| Port Huron to Marsciano | 4,503.94 mi (7,248.38 km) |
| Port Huron to Martano | 4,862.13 mi (7,824.84 km) |
| Port Huron to Martellago | 4,390.04 mi (7,065.09 km) |
| Port Huron to Martina Franca | 4,800.98 mi (7,726.43 km) |
| Port Huron to Martinengo | 4,294.21 mi (6,910.86 km) |
| Port Huron to Martinsicuro | 4,569.37 mi (7,353.69 km) |
| Port Huron to Mascali | 4,842.93 mi (7,793.95 km) |
| Port Huron to Mascalucia | 4,844.67 mi (7,796.74 km) |
| Port Huron to Masera di Padova | 4,387.76 mi (7,061.42 km) |
| Port Huron to Maserada sul Piave | 4,388.16 mi (7,062.06 km) |
| Port Huron to Massa | 4,369.35 mi (7,031.79 km) |
| Port Huron to Massa Lombarda | 4,420.60 mi (7,114.27 km) |
| Port Huron to Massafra | 4,797.38 mi (7,720.64 km) |
| Port Huron to Massalubrense | 4,683.05 mi (7,536.65 km) |
