| Port Neches to Mombris | 5,189.53 mi (8,351.75 km) |
| Port Neches to Monchengladbach | 5,046.99 mi (8,122.35 km) |
| Port Neches to Monschau | 5,060.24 mi (8,143.67 km) |
| Port Neches to Montabaur | 5,125.27 mi (8,248.32 km) |
| Port Neches to Moosburg | 5,352.99 mi (8,614.80 km) |
| Port Neches to Morbach | 5,117.70 mi (8,236.13 km) |
| Port Neches to Morfelden-Walldorf | 5,169.12 mi (8,318.90 km) |
| Port Neches to Morlenbach | 5,188.51 mi (8,350.11 km) |
| Port Neches to Morsbach | 5,107.09 mi (8,219.06 km) |
| Port Neches to Mosbach | 5,212.89 mi (8,389.34 km) |
| Port Neches to Mosigkau | 5,243.94 mi (8,439.30 km) |
| Port Neches to Mossingen | 5,241.46 mi (8,435.32 km) |
| Port Neches to Much | 5,093.27 mi (8,196.83 km) |
| Port Neches to Mucheln | 5,246.85 mi (8,443.98 km) |
| Port Neches to Muhlacker | 5,214.37 mi (8,391.72 km) |
