| Port Neches to Nowy Dwor Mazowiecki | 5,519.35 mi (8,882.53 km) |
| Port Neches to Nowy Sacz | 5,635.72 mi (9,069.82 km) |
| Port Neches to Nowy Targ | 5,617.91 mi (9,041.15 km) |
| Port Neches to Nowy Tomysl | 5,366.14 mi (8,635.97 km) |
| Port Neches to Nysa | 5,480.61 mi (8,820.19 km) |
| Port Neches to Oborniki | 5,377.21 mi (8,653.78 km) |
| Port Neches to Oborniki Slaskie | 5,432.68 mi (8,743.05 km) |
| Port Neches to Olawa | 5,461.21 mi (8,788.97 km) |
| Port Neches to Olecko | 5,510.69 mi (8,868.60 km) |
| Port Neches to Olesnica | 5,453.70 mi (8,776.88 km) |
| Port Neches to Olesno | 5,503.34 mi (8,856.78 km) |
| Port Neches to Olkusz | 5,568.21 mi (8,961.17 km) |
| Port Neches to Olsztyn | 5,455.91 mi (8,780.44 km) |
| Port Neches to Opalenica | 5,376.33 mi (8,652.37 km) |
| Port Neches to Opoczno | 5,548.42 mi (8,929.31 km) |
