| Cities | Distance |
|---|---|
| Opatija to Kastoria | 484.41 mi (779.58 km) |
| Opatija to Katerini | 542.97 mi (873.83 km) |
| Opatija to Keratsini | 699.37 mi (1,125.53 km) |
| Opatija to Kerkyra | 487.24 mi (784.14 km) |
| Opatija to Kiato | 667.19 mi (1,073.74 km) |
| Opatija to Kifisia | 700.40 mi (1,127.18 km) |
| Opatija to Kilkis | 525.62 mi (845.90 km) |
| Opatija to Komotini | 630.79 mi (1,015.17 km) |
| Opatija to Korinthos | 677.07 mi (1,089.63 km) |
| Opatija to Koropi | 711.97 mi (1,145.81 km) |
| Opatija to Korydallos | 699.68 mi (1,126.02 km) |
| Opatija to Kos | 890.82 mi (1,433.64 km) |
| Opatija to Kozani | 514.16 mi (827.46 km) |
| Opatija to Lagos | 614.66 mi (989.21 km) |
| Opatija to Lamia | 608.75 mi (979.69 km) |