| Port Neches to Isabela (Puerto Rico) | 1,865.90 mi (3,002.87 km) |
| Port Neches to Iselin (New Jersey) | 1,322.45 mi (2,128.27 km) |
| Port Neches to Isla Vista (California) | 1,541.50 mi (2,480.81 km) |
| Port Neches to Issaquah (Washington) | 1,922.05 mi (3,093.24 km) |
| Port Neches to Ithaca (New York) | 1,294.33 mi (2,083.03 km) |
| Port Neches to Ives Estates (Florida) | 883.72 mi (1,422.21 km) |
| Port Neches to Jackson (Michigan) | 999.49 mi (1,608.52 km) |
| Port Neches to Jackson (Mississippi) | 273.57 mi (440.27 km) |
| Port Neches to Jackson (Missouri) | 567.76 mi (913.72 km) |
| Port Neches to Jackson (Tennessee) | 491.69 mi (791.29 km) |
| Port Neches to Jackson (Wyoming) | 1,313.40 mi (2,113.72 km) |
| Port Neches to Jacksonville (Alabama) | 548.39 mi (882.54 km) |
| Port Neches to Jacksonville (Arkansas) | 354.98 mi (571.29 km) |
| Port Neches to Jacksonville (Florida) | 733.16 mi (1,179.91 km) |
| Port Neches to Jacksonville (Illinois) | 705.80 mi (1,135.87 km) |
