| Port Neches to St. George (Utah) | 1,229.33 mi (1,978.42 km) |
| Port Neches to St. Helens (Oregon) | 1,901.42 mi (3,060.04 km) |
| Port Neches to St. James (New York) | 1,386.43 mi (2,231.25 km) |
| Port Neches to St. John (Indiana) | 870.92 mi (1,401.61 km) |
| Port Neches to St. Joseph (Missouri) | 677.77 mi (1,090.76 km) |
| Port Neches to St. Louis (Missouri) | 634.33 mi (1,020.86 km) |
| Port Neches to St. Louis Park (Minnesota) | 1,034.97 mi (1,665.62 km) |
| Port Neches to St. Marys (Georgia) | 739.24 mi (1,189.69 km) |
| Port Neches to St. Marys (Pennsylvania) | 1,169.95 mi (1,882.85 km) |
| Port Neches to St. Matthews (Kentucky) | 742.65 mi (1,195.19 km) |
| Port Neches to St. Michael (Minnesota) | 1,052.03 mi (1,693.08 km) |
| Port Neches to St. Paul (Minnesota) | 1,035.43 mi (1,666.36 km) |
| Port Neches to St. Peter (Minnesota) | 991.70 mi (1,595.98 km) |
| Port Neches to St. Peters (Missouri) | 637.41 mi (1,025.81 km) |
| Port Neches to St. Petersburg (Florida) | 698.60 mi (1,124.29 km) |