| Port Neches to Owosso (Michigan) | 1,048.85 mi (1,687.96 km) |
| Port Neches to Oxford (Alabama) | 536.04 mi (862.67 km) |
| Port Neches to Oxford (Mississippi) | 397.94 mi (640.42 km) |
| Port Neches to Oxford (Ohio) | 839.48 mi (1,351.01 km) |
| Port Neches to Oxnard (California) | 1,501.70 mi (2,416.75 km) |
| Port Neches to Oxon Hill (Maryland) | 1,140.51 mi (1,835.47 km) |
| Port Neches to Ozark (Alabama) | 503.23 mi (809.87 km) |
| Port Neches to Ozark (Missouri) | 489.60 mi (787.94 km) |
| Port Neches to Pace (Florida) | 406.79 mi (654.66 km) |
| Port Neches to Pacific Grove (California) | 1,673.02 mi (2,692.47 km) |
| Port Neches to Pacifica (California) | 1,713.35 mi (2,757.38 km) |
| Port Neches to Paducah (Kentucky) | 577.28 mi (929.04 km) |
| Port Neches to Pahrump (Nevada) | 1,343.75 mi (2,162.55 km) |
| Port Neches to Painesville (Ohio) | 1,076.48 mi (1,732.42 km) |
| Port Neches to Palatine (Illinois) | 900.78 mi (1,449.66 km) |
