| Ardahan to Rothenbach an der Pegnitz | 1,620.18 mi (2,607.43 km) |
| Ardahan to Rothenburg ob der Tauber | 1,666.50 mi (2,681.97 km) |
| Ardahan to Rottweil | 1,728.95 mi (2,782.48 km) |
| Ardahan to Rudersberg | 1,691.86 mi (2,722.78 km) |
| Ardahan to Rudesheim am Rhein | 1,771.61 mi (2,851.13 km) |
| Ardahan to Rudolstadt | 1,631.95 mi (2,626.36 km) |
| Ardahan to Runkel | 1,765.49 mi (2,841.28 km) |
| Ardahan to Ruppichteroth | 1,798.67 mi (2,894.69 km) |
| Ardahan to Russelsheim | 1,750.49 mi (2,817.14 km) |
| Ardahan to Rutesheim | 1,717.74 mi (2,764.43 km) |
| Ardahan to Ruthen | 1,763.35 mi (2,837.84 km) |
| Ardahan to Saalfeld | 1,629.33 mi (2,622.15 km) |
| Ardahan to Saarbrucken | 1,808.01 mi (2,909.72 km) |
| Ardahan to Saarlouis | 1,819.69 mi (2,928.51 km) |
| Ardahan to Saarwellingen | 1,817.42 mi (2,924.86 km) |
