| Ardahan to Sestu | 1,767.00 mi (2,843.72 km) |
| Ardahan to Settimo Torinese | 1,769.49 mi (2,847.72 km) |
| Ardahan to Seveso | 1,701.52 mi (2,738.33 km) |
| Ardahan to Sezze | 1,530.82 mi (2,463.62 km) |
| Ardahan to Siano | 1,455.25 mi (2,342.01 km) |
| Ardahan to Siena | 1,603.07 mi (2,579.89 km) |
| Ardahan to Signa | 1,611.86 mi (2,594.03 km) |
| Ardahan to Silea | 1,548.93 mi (2,492.77 km) |
| Ardahan to Silvi Paese | 1,468.03 mi (2,362.56 km) |
| Ardahan to Sinalunga | 1,583.60 mi (2,548.55 km) |
| Ardahan to Siniscola | 1,715.21 mi (2,760.36 km) |
| Ardahan to Sinnai | 1,761.20 mi (2,834.37 km) |
| Ardahan to Siracusa | 1,490.02 mi (2,397.95 km) |
| Ardahan to Solaro | 1,704.16 mi (2,742.57 km) |
| Ardahan to Soliera | 1,616.62 mi (2,601.70 km) |
