| Portland to Reichenbach/Vogtland | 5,268.53 mi (8,478.88 km) |
| Portland to Reinbek | 5,052.66 mi (8,131.47 km) |
| Portland to Reinfeld | 5,038.88 mi (8,109.29 km) |
| Portland to Reinheim | 5,234.26 mi (8,423.73 km) |
| Portland to Reiskirchen | 5,189.44 mi (8,351.60 km) |
| Portland to Rellingen | 5,034.91 mi (8,102.91 km) |
| Portland to Remagen | 5,151.99 mi (8,291.32 km) |
| Portland to Remscheid | 5,116.58 mi (8,234.34 km) |
| Portland to Rendsburg | 4,993.87 mi (8,036.86 km) |
| Portland to Renningen | 5,298.49 mi (8,527.09 km) |
| Portland to Reutlingen | 5,321.89 mi (8,564.75 km) |
| Portland to Rhaude | 5,011.35 mi (8,064.99 km) |
| Portland to Rheda-Wiedenbruck | 5,104.99 mi (8,215.69 km) |
| Portland to Rhede | 5,067.37 mi (8,155.14 km) |
| Portland to Rheinau | 5,279.44 mi (8,496.44 km) |
