| Port Huron to Menen | 3,845.77 mi (6,189.17 km) |
| Port Huron to Merchtem | 3,882.88 mi (6,248.89 km) |
| Port Huron to Merelbeke | 3,863.28 mi (6,217.36 km) |
| Port Huron to Merksem | 3,881.72 mi (6,247.03 km) |
| Port Huron to Merksplas | 3,893.77 mi (6,266.42 km) |
| Port Huron to Mettet | 3,920.70 mi (6,309.75 km) |
| Port Huron to Meulebeke | 3,847.14 mi (6,191.38 km) |
| Port Huron to Middelkerke | 3,821.61 mi (6,150.29 km) |
| Port Huron to Mol | 3,909.34 mi (6,291.48 km) |
| Port Huron to Mons | 3,889.06 mi (6,258.84 km) |
| Port Huron to Montignies-le-Tilleul | 3,908.00 mi (6,289.32 km) |
| Port Huron to Moorslede | 3,840.43 mi (6,180.57 km) |
| Port Huron to Moortebeek | 3,890.61 mi (6,261.33 km) |
| Port Huron to Morlanwelz-Mariemont | 3,899.99 mi (6,276.43 km) |
| Port Huron to Mortsel | 3,885.19 mi (6,252.61 km) |
