| Cities | Distance |
|---|---|
| Opatija to Oria | 374.04 mi (601.96 km) |
| Opatija to Oristano | 473.93 mi (762.72 km) |
| Opatija to Orta Nova | 285.48 mi (459.44 km) |
| Opatija to Orte | 220.17 mi (354.34 km) |
| Opatija to Ortona | 206.19 mi (331.82 km) |
| Opatija to Orvieto | 210.88 mi (339.38 km) |
| Opatija to Orzinuovi | 212.00 mi (341.17 km) |
| Opatija to Osimo | 134.03 mi (215.69 km) |
| Opatija to Ospitaletto | 205.44 mi (330.63 km) |
| Opatija to Ostuni | 358.41 mi (576.80 km) |
| Opatija to Ottaviano | 309.90 mi (498.73 km) |
| Opatija to Ovada | 280.35 mi (451.18 km) |
| Opatija to Ozieri | 423.32 mi (681.27 km) |
| Opatija to Paceco | 515.77 mi (830.05 km) |
| Opatija to Pachino | 596.80 mi (960.46 km) |