| Port Neches to Roy (Utah) | 1,273.56 mi (2,049.60 km) |
| Port Neches to Royal Kunia (Hawaii) | 3,984.58 mi (6,412.56 km) |
| Port Neches to Royal Oak (Michigan) | 1,052.26 mi (1,693.45 km) |
| Port Neches to Royal Palm Beach (Florida) | 863.91 mi (1,390.32 km) |
| Port Neches to Royse City (Texas) | 249.95 mi (402.26 km) |
| Port Neches to Ruskin (Florida) | 714.59 mi (1,150.02 km) |
| Port Neches to Russellville (Alabama) | 479.33 mi (771.41 km) |
| Port Neches to Russellville (Arkansas) | 369.17 mi (594.13 km) |
| Port Neches to Ruston (Louisiana) | 192.81 mi (310.30 km) |
| Port Neches to Rutherford (New Jersey) | 1,340.28 mi (2,156.98 km) |
| Port Neches to Rutland (Vermont) | 1,486.83 mi (2,392.82 km) |
| Port Neches to Sabana Grande (Puerto Rico) | 1,883.77 mi (3,031.63 km) |
| Port Neches to Sachse (Texas) | 258.69 mi (416.32 km) |
| Port Neches to Saco (Maine) | 1,593.18 mi (2,563.98 km) |
| Port Neches to Sacramento (California) | 1,671.96 mi (2,690.76 km) |
