| Cities | Distance |
|---|---|
| Ostrov to Devnya | 845.69 mi (1,361.01 km) |
| Ostrov to Dimitrovgrad | 829.94 mi (1,335.66 km) |
| Ostrov to Dobrich | 840.57 mi (1,352.76 km) |
| Ostrov to Dospat | 803.43 mi (1,292.99 km) |
| Ostrov to Dupnitsa | 736.83 mi (1,185.81 km) |
| Ostrov to Elhovo | 858.09 mi (1,380.96 km) |
| Ostrov to Etropole | 735.16 mi (1,183.12 km) |
| Ostrov to Gabrovo | 779.58 mi (1,254.61 km) |
| Ostrov to Gorna Oryahovitsa | 779.79 mi (1,254.96 km) |
| Ostrov to Gotse Delchev | 794.37 mi (1,278.41 km) |
| Ostrov to Harmanli | 846.28 mi (1,361.96 km) |
| Ostrov to Haskovo | 834.78 mi (1,343.45 km) |
| Ostrov to Ihtiman | 749.81 mi (1,206.71 km) |
| Ostrov to Isperih | 795.31 mi (1,279.92 km) |
| Ostrov to Kardzhali | 842.72 mi (1,356.22 km) |