| Kastav to Somma Lombardo | 274.20 mi (441.28 km) |
| Kastav to Somma Vesuviana | 311.12 mi (500.71 km) |
| Kastav to Sommacampagna | 169.78 mi (273.24 km) |
| Kastav to Sona | 170.58 mi (274.53 km) |
| Kastav to Sondrio | 222.70 mi (358.40 km) |
| Kastav to Sora | 255.41 mi (411.04 km) |
| Kastav to Sorbolo | 193.65 mi (311.64 km) |
| Kastav to Soresina | 218.25 mi (351.24 km) |
| Kastav to Sorisole | 228.37 mi (367.53 km) |
| Kastav to Sorrento | 328.00 mi (527.87 km) |
| Kastav to Sorso | 429.68 mi (691.50 km) |
| Kastav to Sortino | 568.24 mi (914.50 km) |
| Kastav to Soverato Marina | 475.90 mi (765.88 km) |
| Kastav to Sovicille | 211.16 mi (339.83 km) |
| Kastav to Spello | 184.60 mi (297.09 km) |
