| Aiken to Ratingen | 4,396.99 mi (7,076.27 km) |
| Aiken to Ratzeburg | 4,485.69 mi (7,219.02 km) |
| Aiken to Raubling | 4,710.75 mi (7,581.22 km) |
| Aiken to Rauenberg | 4,526.52 mi (7,284.72 km) |
| Aiken to Raunheim | 4,495.54 mi (7,234.87 km) |
| Aiken to Ravensburg | 4,606.52 mi (7,413.47 km) |
| Aiken to Recke | 4,404.26 mi (7,087.97 km) |
| Aiken to Recklinghausen | 4,402.23 mi (7,084.70 km) |
| Aiken to Regen | 4,716.69 mi (7,590.78 km) |
| Aiken to Regensburg | 4,672.47 mi (7,519.61 km) |
| Aiken to Regenstauf | 4,671.07 mi (7,517.36 km) |
| Aiken to Rehau | 4,632.88 mi (7,455.90 km) |
| Aiken to Rehburg-Loccum | 4,460.28 mi (7,178.13 km) |
| Aiken to Rehlingen-Siersburg | 4,439.84 mi (7,145.23 km) |
| Aiken to Reichelsheim | 4,519.74 mi (7,273.81 km) |
