| Ardahan to Querfurt | 1,630.48 mi (2,624.00 km) |
| Ardahan to Quickborn | 1,741.84 mi (2,803.22 km) |
| Ardahan to Quierschied | 1,806.22 mi (2,906.83 km) |
| Ardahan to Radeberg | 1,528.88 mi (2,460.49 km) |
| Ardahan to Radebeul | 1,539.72 mi (2,477.94 km) |
| Ardahan to Radevormwald | 1,808.20 mi (2,910.02 km) |
| Ardahan to Radolfzell am Bodensee | 1,711.44 mi (2,754.30 km) |
| Ardahan to Raesfeld | 1,836.31 mi (2,955.26 km) |
| Ardahan to Rahden | 1,770.47 mi (2,849.29 km) |
| Ardahan to Rain | 1,627.49 mi (2,619.19 km) |
| Ardahan to Rangsdorf | 1,571.83 mi (2,529.61 km) |
| Ardahan to Rastatt | 1,751.73 mi (2,819.14 km) |
| Ardahan to Rastede | 1,800.46 mi (2,897.56 km) |
| Ardahan to Ratekau | 1,713.75 mi (2,758.02 km) |
| Ardahan to Rathenow | 1,622.57 mi (2,611.28 km) |
