| Kars to Ratingen | 1,867.47 mi (3,005.40 km) |
| Kars to Ratzeburg | 1,746.34 mi (2,810.46 km) |
| Kars to Raubling | 1,600.88 mi (2,576.36 km) |
| Kars to Rauenberg | 1,767.24 mi (2,844.10 km) |
| Kars to Raunheim | 1,785.08 mi (2,872.81 km) |
| Kars to Ravensburg | 1,716.07 mi (2,761.75 km) |
| Kars to Recke | 1,844.39 mi (2,968.26 km) |
| Kars to Recklinghausen | 1,857.43 mi (2,989.25 km) |
| Kars to Regen | 1,566.07 mi (2,520.35 km) |
| Kars to Regensburg | 1,613.57 mi (2,596.78 km) |
| Kars to Regenstauf | 1,612.77 mi (2,595.51 km) |
| Kars to Rehau | 1,632.32 mi (2,626.96 km) |
| Kars to Rehburg-Loccum | 1,784.43 mi (2,871.77 km) |
| Kars to Rehlingen-Siersburg | 1,858.68 mi (2,991.25 km) |
| Kars to Reichelsheim | 1,765.05 mi (2,840.57 km) |
