| Kos to Settimo Torinese | 1,161.06 mi (1,868.55 km) |
| Kos to Seveso | 1,115.32 mi (1,794.93 km) |
| Kos to Sezze | 822.73 mi (1,324.05 km) |
| Kos to Siano | 727.23 mi (1,170.37 km) |
| Kos to Siena | 949.82 mi (1,528.58 km) |
| Kos to Signa | 973.18 mi (1,566.19 km) |
| Kos to Silea | 983.19 mi (1,582.30 km) |
| Kos to Silvi Paese | 799.50 mi (1,286.68 km) |
| Kos to Sinalunga | 928.46 mi (1,494.21 km) |
| Kos to Siniscola | 978.00 mi (1,573.94 km) |
| Kos to Sinnai | 993.45 mi (1,598.81 km) |
| Kos to Siracusa | 659.26 mi (1,060.98 km) |
| Kos to Solaro | 1,116.75 mi (1,797.24 km) |
| Kos to Soliera | 1,009.44 mi (1,624.53 km) |
| Kos to Solofra | 720.17 mi (1,159.00 km) |
