| Port Neches to Romeoville (Illinois) | 868.82 mi (1,398.23 km) |
| Port Neches to Romulus (Michigan) | 1,030.10 mi (1,657.79 km) |
| Port Neches to Ronkonkoma (New York) | 1,385.51 mi (2,229.77 km) |
| Port Neches to Roosevelt (New York) | 1,360.17 mi (2,188.99 km) |
| Port Neches to Rosamond (California) | 1,451.32 mi (2,335.68 km) |
| Port Neches to Rosaryville (Maryland) | 1,146.86 mi (1,845.69 km) |
| Port Neches to Roscoe (Illinois) | 902.69 mi (1,452.74 km) |
| Port Neches to Rose Hill (Virginia) | 1,133.97 mi (1,824.95 km) |
| Port Neches to Roseburg (Oregon) | 1,856.24 mi (2,987.33 km) |
| Port Neches to Rosedale (California) | 1,511.22 mi (2,432.07 km) |
| Port Neches to Rosedale (Maryland) | 1,179.78 mi (1,898.67 km) |
| Port Neches to Roselle (Illinois) | 891.20 mi (1,434.25 km) |
| Port Neches to Roselle (New Jersey) | 1,327.76 mi (2,136.82 km) |
| Port Neches to Roselle Park (New Jersey) | 1,327.85 mi (2,136.97 km) |
| Port Neches to Rosemead (California) | 1,438.34 mi (2,314.79 km) |
