| Cities | Distance |
|---|---|
| Olbia to Devnya | 938.29 mi (1,510.04 km) |
| Olbia to Dimitrovgrad | 835.78 mi (1,345.05 km) |
| Olbia to Dobrich | 953.40 mi (1,534.35 km) |
| Olbia to Dospat | 762.26 mi (1,226.75 km) |
| Olbia to Dupnitsa | 709.10 mi (1,141.18 km) |
| Olbia to Elhovo | 885.32 mi (1,424.78 km) |
| Olbia to Etropole | 756.65 mi (1,217.71 km) |
| Olbia to Gabrovo | 824.16 mi (1,326.35 km) |
| Olbia to Gorna Oryahovitsa | 844.07 mi (1,358.40 km) |
| Olbia to Gotse Delchev | 739.99 mi (1,190.91 km) |
| Olbia to Harmanli | 851.24 mi (1,369.93 km) |
| Olbia to Haskovo | 834.11 mi (1,342.36 km) |
| Olbia to Ihtiman | 745.33 mi (1,199.49 km) |
| Olbia to Isperih | 904.64 mi (1,455.88 km) |
| Olbia to Kardzhali | 824.20 mi (1,326.42 km) |