| Cities | Distance |
|---|---|
| Opatija to Karlovo | 553.90 mi (891.41 km) |
| Opatija to Karnobat | 656.77 mi (1,056.96 km) |
| Opatija to Kavarna | 704.33 mi (1,133.50 km) |
| Opatija to Kazanlak | 582.38 mi (937.25 km) |
| Opatija to Knezha | 498.80 mi (802.74 km) |
| Opatija to Kostinbrod | 475.22 mi (764.78 km) |
| Opatija to Kozloduy | 476.30 mi (766.53 km) |
| Opatija to Kyustendil | 467.80 mi (752.85 km) |
| Opatija to Levski | 551.75 mi (887.95 km) |
| Opatija to Lom | 451.75 mi (727.02 km) |
| Opatija to Lovech | 537.16 mi (864.48 km) |
| Opatija to Lukovit | 509.56 mi (820.06 km) |
| Opatija to Lyaskovets | 585.46 mi (942.21 km) |
| Opatija to Mezdra | 488.79 mi (786.62 km) |
| Opatija to Momchilgrad | 615.76 mi (990.97 km) |