| Port Neches to Somersworth (New Hampshire) | 1,565.13 mi (2,518.84 km) |
| Port Neches to Somerton (Arizona) | 1,236.69 mi (1,990.27 km) |
| Port Neches to Somerville (Massachusetts) | 1,527.93 mi (2,458.97 km) |
| Port Neches to Somerville (New Jersey) | 1,308.87 mi (2,106.43 km) |
| Port Neches to Sonoma (California) | 1,720.63 mi (2,769.09 km) |
| Port Neches to Soquel (California) | 1,677.96 mi (2,700.42 km) |
| Port Neches to South Bend (Indiana) | 914.71 mi (1,472.09 km) |
| Port Neches to South Bradenton (Florida) | 709.81 mi (1,142.33 km) |
| Port Neches to South Burlington (Vermont) | 1,509.27 mi (2,428.93 km) |
| Port Neches to South Charleston (West Virginia) | 905.77 mi (1,457.70 km) |
| Port Neches to South Daytona (Florida) | 779.23 mi (1,254.05 km) |
| Port Neches to South El Monte (California) | 1,436.30 mi (2,311.50 km) |
| Port Neches to South Elgin (Illinois) | 887.27 mi (1,427.93 km) |
| Port Neches to South Euclid (Ohio) | 1,056.81 mi (1,700.78 km) |
| Port Neches to South Farmingdale (New York) | 1,367.73 mi (2,201.15 km) |
