| Port Neches to Ratingen | 5,059.87 mi (8,143.08 km) |
| Port Neches to Ratzeburg | 5,125.48 mi (8,248.67 km) |
| Port Neches to Raubling | 5,384.25 mi (8,665.11 km) |
| Port Neches to Rauenberg | 5,198.31 mi (8,365.88 km) |
| Port Neches to Raunheim | 5,163.38 mi (8,309.66 km) |
| Port Neches to Ravensburg | 5,285.02 mi (8,505.42 km) |
| Port Neches to Recke | 5,058.71 mi (8,141.21 km) |
| Port Neches to Recklinghausen | 5,062.75 mi (8,147.71 km) |
| Port Neches to Regen | 5,381.31 mi (8,660.39 km) |
| Port Neches to Regensburg | 5,339.02 mi (8,592.32 km) |
| Port Neches to Regenstauf | 5,336.91 mi (8,588.93 km) |
| Port Neches to Rehau | 5,292.26 mi (8,517.06 km) |
| Port Neches to Rehburg-Loccum | 5,111.42 mi (8,226.03 km) |
| Port Neches to Rehlingen-Siersburg | 5,114.76 mi (8,231.41 km) |
| Port Neches to Reichelsheim | 5,188.64 mi (8,350.32 km) |
