| Cities | Distance |
|---|---|
| Opatija to Smolyan | 581.79 mi (936.30 km) |
| Opatija to Sofia | 483.82 mi (778.63 km) |
| Opatija to Sopot | 551.05 mi (886.83 km) |
| Opatija to Sozopol | 696.20 mi (1,120.43 km) |
| Opatija to Sredets | 674.21 mi (1,085.04 km) |
| Opatija to Stamboliyski | 556.16 mi (895.05 km) |
| Opatija to Stara Zagora | 599.05 mi (964.08 km) |
| Opatija to Svilengrad | 644.06 mi (1,036.51 km) |
| Opatija to Svishtov | 557.06 mi (896.51 km) |
| Opatija to Targovishte | 623.63 mi (1,003.64 km) |
| Opatija to Teteven | 521.33 mi (839.01 km) |
| Opatija to Troyan | 543.33 mi (874.40 km) |
| Opatija to Tryavna | 580.69 mi (934.53 km) |
| Opatija to Tutrakan | 610.82 mi (983.02 km) |
| Opatija to Varna | 688.42 mi (1,107.90 km) |