| Port Neches to Massarosa | 5,452.72 mi (8,775.30 km) |
| Port Neches to Matelica | 5,588.64 mi (8,994.04 km) |
| Port Neches to Matera | 5,841.74 mi (9,401.37 km) |
| Port Neches to Matino | 5,932.80 mi (9,547.92 km) |
| Port Neches to Mazzarino | 5,868.87 mi (9,445.03 km) |
| Port Neches to Meda | 5,340.06 mi (8,593.99 km) |
| Port Neches to Medesano | 5,412.76 mi (8,711.00 km) |
| Port Neches to Medicina | 5,485.32 mi (8,827.78 km) |
| Port Neches to Meldola | 5,515.62 mi (8,876.54 km) |
| Port Neches to Melegnano | 5,357.34 mi (8,621.80 km) |
| Port Neches to Melendugno | 5,931.71 mi (9,546.16 km) |
| Port Neches to Melfi | 5,787.87 mi (9,314.68 km) |
| Port Neches to Melilli | 5,914.97 mi (9,519.23 km) |
| Port Neches to Melito di Napoli | 5,730.13 mi (9,221.75 km) |
| Port Neches to Melito di Porto Salvo | 5,915.85 mi (9,520.65 km) |
