| Prairie Ridge to Ratingen | 4,993.38 mi (8,036.07 km) |
| Prairie Ridge to Ratzeburg | 4,942.52 mi (7,954.22 km) |
| Prairie Ridge to Raubling | 5,323.63 mi (8,567.56 km) |
| Prairie Ridge to Rauenberg | 5,155.70 mi (8,297.30 km) |
| Prairie Ridge to Raunheim | 5,105.93 mi (8,217.20 km) |
| Prairie Ridge to Ravensburg | 5,264.75 mi (8,472.80 km) |
| Prairie Ridge to Recke | 4,952.26 mi (7,969.89 km) |
| Prairie Ridge to Recklinghausen | 4,984.43 mi (8,021.67 km) |
| Prairie Ridge to Regen | 5,276.36 mi (8,491.48 km) |
| Prairie Ridge to Regensburg | 5,249.68 mi (8,448.55 km) |
| Prairie Ridge to Regenstauf | 5,244.32 mi (8,439.92 km) |
| Prairie Ridge to Rehau | 5,174.58 mi (8,327.68 km) |
| Prairie Ridge to Rehburg-Loccum | 4,981.67 mi (8,017.22 km) |
| Prairie Ridge to Rehlingen-Siersburg | 5,100.35 mi (8,208.22 km) |
| Prairie Ridge to Reichelsheim | 5,132.83 mi (8,260.49 km) |
