| Port Neches to Sugar Hill (Georgia) | 645.33 mi (1,038.56 km) |
| Port Neches to Sugar Land (Texas) | 104.73 mi (168.55 km) |
| Port Neches to Sugarland Run (Virginia) | 1,129.16 mi (1,817.21 km) |
| Port Neches to Sugarmill Woods (Florida) | 694.30 mi (1,117.37 km) |
| Port Neches to Suisun City (California) | 1,696.07 mi (2,729.56 km) |
| Port Neches to Suitland (Maryland) | 1,144.83 mi (1,842.43 km) |
| Port Neches to Sulphur (Louisiana) | 39.30 mi (63.24 km) |
| Port Neches to Sulphur Springs (Texas) | 239.70 mi (385.77 km) |
| Port Neches to Summerfield (Maryland) | 1,149.19 mi (1,849.44 km) |
| Port Neches to Summerfield (North Carolina) | 918.39 mi (1,478.01 km) |
| Port Neches to Summerlin South (Nevada) | 1,306.05 mi (2,101.89 km) |
| Port Neches to Summerville (South Carolina) | 836.86 mi (1,346.80 km) |
| Port Neches to Summit (Illinois) | 884.69 mi (1,423.77 km) |
| Port Neches to Summit (New Jersey) | 1,324.91 mi (2,132.24 km) |
| Port Neches to Sumner (Washington) | 1,918.95 mi (3,088.26 km) |
