| Kos to Somma Lombardo | 1,135.47 mi (1,827.37 km) |
| Kos to Somma Vesuviana | 741.53 mi (1,193.37 km) |
| Kos to Sommacampagna | 1,034.15 mi (1,664.31 km) |
| Kos to Sona | 1,035.98 mi (1,667.25 km) |
| Kos to Sondrio | 1,101.38 mi (1,772.49 km) |
| Kos to Sora | 800.88 mi (1,288.88 km) |
| Kos to Sorbolo | 1,033.64 mi (1,663.48 km) |
| Kos to Soresina | 1,073.08 mi (1,726.96 km) |
| Kos to Sorisole | 1,096.02 mi (1,763.87 km) |
| Kos to Sorrento | 739.69 mi (1,190.42 km) |
| Kos to Sorso | 1,038.37 mi (1,671.10 km) |
| Kos to Sortino | 673.02 mi (1,083.12 km) |
| Kos to Soverato Marina | 596.72 mi (960.33 km) |
| Kos to Sovicille | 953.45 mi (1,534.42 km) |
| Kos to Spello | 878.75 mi (1,414.20 km) |
