| Auburn Hills to Ratingen | 4,015.29 mi (6,461.98 km) |
| Auburn Hills to Ratzeburg | 4,072.29 mi (6,553.71 km) |
| Auburn Hills to Raubling | 4,344.02 mi (6,991.02 km) |
| Auburn Hills to Rauenberg | 4,157.84 mi (6,691.40 km) |
| Auburn Hills to Raunheim | 4,120.89 mi (6,631.94 km) |
| Auburn Hills to Ravensburg | 4,248.24 mi (6,836.88 km) |
| Auburn Hills to Recke | 4,010.47 mi (6,454.24 km) |
| Auburn Hills to Recklinghausen | 4,017.06 mi (6,464.84 km) |
| Auburn Hills to Regen | 4,336.47 mi (6,978.88 km) |
| Auburn Hills to Regensburg | 4,295.26 mi (6,912.55 km) |
| Auburn Hills to Regenstauf | 4,292.80 mi (6,908.60 km) |
| Auburn Hills to Rehau | 4,245.34 mi (6,832.21 km) |
| Auburn Hills to Rehburg-Loccum | 4,061.79 mi (6,536.81 km) |
| Auburn Hills to Rehlingen-Siersburg | 4,076.46 mi (6,560.43 km) |
| Auburn Hills to Reichelsheim | 4,146.63 mi (6,673.35 km) |
