| Harper Woods to Ratingen | 4,014.43 mi (6,460.60 km) |
| Harper Woods to Ratzeburg | 4,072.95 mi (6,554.78 km) |
| Harper Woods to Raubling | 4,342.63 mi (6,988.78 km) |
| Harper Woods to Rauenberg | 4,156.46 mi (6,689.17 km) |
| Harper Woods to Raunheim | 4,119.76 mi (6,630.11 km) |
| Harper Woods to Ravensburg | 4,246.43 mi (6,833.96 km) |
| Harper Woods to Recke | 4,010.17 mi (6,453.75 km) |
| Harper Woods to Recklinghausen | 4,016.36 mi (6,463.71 km) |
| Harper Woods to Regen | 4,335.69 mi (6,977.62 km) |
| Harper Woods to Regensburg | 4,294.32 mi (6,911.04 km) |
| Harper Woods to Regenstauf | 4,291.91 mi (6,907.16 km) |
| Harper Woods to Rehau | 4,244.85 mi (6,831.43 km) |
| Harper Woods to Rehburg-Loccum | 4,061.73 mi (6,536.72 km) |
| Harper Woods to Rehlingen-Siersburg | 4,074.80 mi (6,557.75 km) |
| Harper Woods to Reichelsheim | 4,145.43 mi (6,671.43 km) |
