| Oak Grove to Ratingen | 5,108.31 mi (8,221.02 km) |
| Oak Grove to Ratzeburg | 5,059.65 mi (8,142.72 km) |
| Oak Grove to Raubling | 5,439.27 mi (8,753.67 km) |
| Oak Grove to Rauenberg | 5,270.53 mi (8,482.11 km) |
| Oak Grove to Raunheim | 5,220.95 mi (8,402.31 km) |
| Oak Grove to Ravensburg | 5,379.38 mi (8,657.27 km) |
| Oak Grove to Recke | 5,067.92 mi (8,156.04 km) |
| Oak Grove to Recklinghausen | 5,099.59 mi (8,206.99 km) |
| Oak Grove to Regen | 5,392.78 mi (8,678.84 km) |
| Oak Grove to Regensburg | 5,365.73 mi (8,635.31 km) |
| Oak Grove to Regenstauf | 5,360.42 mi (8,626.76 km) |
| Oak Grove to Rehau | 5,291.01 mi (8,515.05 km) |
| Oak Grove to Rehburg-Loccum | 5,097.88 mi (8,204.24 km) |
| Oak Grove to Rehlingen-Siersburg | 5,214.40 mi (8,391.76 km) |
| Oak Grove to Reichelsheim | 5,247.89 mi (8,445.66 km) |
