| Opatija to Ordu | 1,221.19 mi (1,965.32 km) |
| Opatija to Ortahisar | 1,149.40 mi (1,849.77 km) |
| Opatija to Ortakent | 880.83 mi (1,417.56 km) |
| Opatija to Ortaklar | 852.57 mi (1,372.07 km) |
| Opatija to Ortakoy | 1,106.93 mi (1,781.43 km) |
| Opatija to Ortakoy | 1,114.83 mi (1,794.14 km) |
| Opatija to Osmaneli | 865.60 mi (1,393.05 km) |
| Opatija to Osmaniye | 1,270.10 mi (2,044.02 km) |
| Opatija to Ozdere | 831.25 mi (1,337.76 km) |
| Opatija to Palu | 1,387.01 mi (2,232.17 km) |
| Opatija to Pamukkale | 918.69 mi (1,478.50 km) |
| Opatija to Patnos | 1,510.90 mi (2,431.55 km) |
| Opatija to Pazar | 1,165.43 mi (1,875.58 km) |
| Opatija to Pazarcik | 1,303.20 mi (2,097.30 km) |
| Opatija to Pazaryeri | 872.09 mi (1,403.49 km) |
