| Kallithea to Somma Lombardo | 936.76 mi (1,507.56 km) |
| Kallithea to Somma Vesuviana | 533.77 mi (859.02 km) |
| Kallithea to Sommacampagna | 837.75 mi (1,348.23 km) |
| Kallithea to Sona | 839.70 mi (1,351.36 km) |
| Kallithea to Sondrio | 906.52 mi (1,458.91 km) |
| Kallithea to Sora | 594.42 mi (956.62 km) |
| Kallithea to Sorbolo | 834.22 mi (1,342.55 km) |
| Kallithea to Soresina | 874.51 mi (1,407.39 km) |
| Kallithea to Sorisole | 898.96 mi (1,446.73 km) |
| Kallithea to Sorrento | 531.61 mi (855.55 km) |
| Kallithea to Sorso | 830.18 mi (1,336.05 km) |
| Kallithea to Sortino | 477.59 mi (768.61 km) |
| Kallithea to Soverato Marina | 390.80 mi (628.93 km) |
| Kallithea to Sovicille | 749.40 mi (1,206.04 km) |
| Kallithea to Spello | 675.34 mi (1,086.85 km) |
