| Opatija to Somma Lombardo | 272.18 mi (438.03 km) |
| Opatija to Somma Vesuviana | 308.29 mi (496.14 km) |
| Opatija to Sommacampagna | 167.52 mi (269.60 km) |
| Opatija to Sona | 168.36 mi (270.95 km) |
| Opatija to Sondrio | 221.22 mi (356.02 km) |
| Opatija to Sora | 252.21 mi (405.90 km) |
| Opatija to Sorbolo | 190.84 mi (307.13 km) |
| Opatija to Soresina | 215.89 mi (347.44 km) |
| Opatija to Sorisole | 226.44 mi (364.41 km) |
| Opatija to Sorrento | 325.14 mi (523.26 km) |
| Opatija to Sorso | 425.96 mi (685.51 km) |
| Opatija to Sortino | 565.53 mi (910.14 km) |
| Opatija to Soverato Marina | 473.71 mi (762.37 km) |
| Opatija to Sovicille | 207.46 mi (333.88 km) |
| Opatija to Spello | 180.95 mi (291.22 km) |
