| Troutdale to Ratingen | 5,095.21 mi (8,199.95 km) |
| Troutdale to Ratzeburg | 5,046.92 mi (8,122.24 km) |
| Troutdale to Raubling | 5,426.28 mi (8,732.76 km) |
| Troutdale to Rauenberg | 5,257.42 mi (8,461.00 km) |
| Troutdale to Raunheim | 5,207.87 mi (8,381.26 km) |
| Troutdale to Ravensburg | 5,366.23 mi (8,636.12 km) |
| Troutdale to Recke | 5,054.94 mi (8,135.14 km) |
| Troutdale to Recklinghausen | 5,086.52 mi (8,185.97 km) |
| Troutdale to Regen | 5,379.92 mi (8,658.14 km) |
| Troutdale to Regensburg | 5,352.81 mi (8,614.51 km) |
| Troutdale to Regenstauf | 5,347.50 mi (8,605.97 km) |
| Troutdale to Rehau | 5,278.15 mi (8,494.36 km) |
| Troutdale to Rehburg-Loccum | 5,084.98 mi (8,183.48 km) |
| Troutdale to Rehlingen-Siersburg | 5,201.18 mi (8,370.49 km) |
| Troutdale to Reichelsheim | 5,234.81 mi (8,424.62 km) |
