| Ardahan to Isny im Allgau | 1,661.49 mi (2,673.91 km) |
| Ardahan to Isselburg | 1,852.51 mi (2,981.32 km) |
| Ardahan to Issum | 1,851.22 mi (2,979.25 km) |
| Ardahan to Itzehoe | 1,760.50 mi (2,833.25 km) |
| Ardahan to Jena | 1,623.96 mi (2,613.52 km) |
| Ardahan to Jever | 1,817.79 mi (2,925.45 km) |
| Ardahan to Jork | 1,746.47 mi (2,810.66 km) |
| Ardahan to Juchen | 1,843.61 mi (2,967.01 km) |
| Ardahan to Julich | 1,848.19 mi (2,974.37 km) |
| Ardahan to Juterbog | 1,580.52 mi (2,543.60 km) |
| Ardahan to Kaarst | 1,839.77 mi (2,960.83 km) |
| Ardahan to Kaiserslautern | 1,774.80 mi (2,856.26 km) |
| Ardahan to Kalkar | 1,858.85 mi (2,991.53 km) |
| Ardahan to Kall | 1,836.77 mi (2,955.99 km) |
| Ardahan to Kaltenkirchen | 1,741.49 mi (2,802.66 km) |
