| Cities | Distance |
|---|
| Olbia to Karlovo | 796.52 mi (1,281.87 km) |
| Olbia to Karnobat | 906.99 mi (1,459.65 km) |
| Olbia to Kavarna | 977.71 mi (1,573.47 km) |
| Olbia to Kazanlak | 826.51 mi (1,330.14 km) |
| Olbia to Knezha | 766.29 mi (1,233.22 km) |
| Olbia to Kostinbrod | 717.03 mi (1,153.95 km) |
| Olbia to Kozloduy | 752.22 mi (1,210.58 km) |
| Olbia to Kyustendil | 686.95 mi (1,105.55 km) |
| Olbia to Levski | 817.31 mi (1,315.34 km) |
| Olbia to Lom | 728.49 mi (1,172.39 km) |
| Olbia to Lovech | 794.75 mi (1,279.02 km) |
| Olbia to Lukovit | 767.68 mi (1,235.46 km) |
| Olbia to Lyaskovets | 844.71 mi (1,359.44 km) |
| Olbia to Mezdra | 743.92 mi (1,197.22 km) |
| Olbia to Momchilgrad | 827.07 mi (1,331.04 km) |
