| Louisville to Ratingen | 4,322.41 mi (6,956.25 km) |
| Louisville to Ratzeburg | 4,387.64 mi (7,061.23 km) |
| Louisville to Raubling | 4,647.74 mi (7,479.81 km) |
| Louisville to Rauenberg | 4,461.70 mi (7,180.42 km) |
| Louisville to Raunheim | 4,426.32 mi (7,123.48 km) |
| Louisville to Ravensburg | 4,549.37 mi (7,321.51 km) |
| Louisville to Recke | 4,320.79 mi (6,953.63 km) |
| Louisville to Recklinghausen | 4,325.12 mi (6,960.61 km) |
| Louisville to Regen | 4,643.86 mi (7,473.57 km) |
| Louisville to Regensburg | 4,601.75 mi (7,405.80 km) |
| Louisville to Regenstauf | 4,599.57 mi (7,402.30 km) |
| Louisville to Rehau | 4,554.49 mi (7,329.74 km) |
| Louisville to Rehburg-Loccum | 4,373.41 mi (7,038.33 km) |
| Louisville to Rehlingen-Siersburg | 4,378.65 mi (7,046.76 km) |
| Louisville to Reichelsheim | 4,451.69 mi (7,164.30 km) |
