| Ardahan to Senftenberg | 1,532.41 mi (2,466.17 km) |
| Ardahan to Siegburg | 1,810.51 mi (2,913.74 km) |
| Ardahan to Siegen | 1,776.25 mi (2,858.61 km) |
| Ardahan to Sigmaringen | 1,701.35 mi (2,738.06 km) |
| Ardahan to Simbach am Inn | 1,528.44 mi (2,459.78 km) |
| Ardahan to Simmerath | 1,848.06 mi (2,974.17 km) |
| Ardahan to Sindelfingen | 1,714.51 mi (2,759.24 km) |
| Ardahan to Sinsheim | 1,723.53 mi (2,773.75 km) |
| Ardahan to Sinzheim | 1,752.75 mi (2,820.78 km) |
| Ardahan to Sinzig | 1,806.13 mi (2,906.68 km) |
| Ardahan to Soest | 1,780.13 mi (2,864.85 km) |
| Ardahan to Solingen | 1,819.28 mi (2,927.85 km) |
| Ardahan to Soltau | 1,730.27 mi (2,784.61 km) |
| Ardahan to Sommerda | 1,647.37 mi (2,651.19 km) |
| Ardahan to Sondershausen | 1,661.02 mi (2,673.15 km) |
