| Opatija to Serik | 1,046.81 mi (1,684.68 km) |
| Opatija to Serinhisar | 939.81 mi (1,512.48 km) |
| Opatija to Serinyol | 1,295.50 mi (2,084.91 km) |
| Opatija to Seydisehir | 1,058.23 mi (1,703.05 km) |
| Opatija to Seyhan | 1,231.72 mi (1,982.26 km) |
| Opatija to Seyitgazi | 927.93 mi (1,493.35 km) |
| Opatija to Siirt | 1,507.74 mi (2,426.48 km) |
| Opatija to Sile | 820.76 mi (1,320.88 km) |
| Opatija to Silifke | 1,193.42 mi (1,920.63 km) |
| Opatija to Silivri | 760.33 mi (1,223.64 km) |
| Opatija to Silopi | 1,555.66 mi (2,503.58 km) |
| Opatija to Simav | 864.77 mi (1,391.72 km) |
| Opatija to Sinanpasa | 933.95 mi (1,503.04 km) |
| Opatija to Sindirgi | 823.08 mi (1,324.62 km) |
| Opatija to Sinop | 1,063.44 mi (1,711.43 km) |
