| Cities | Distance |
|---|
| Ostroleka to Popovo | 704.52 mi (1,133.82 km) |
| Ostroleka to Provadia | 733.92 mi (1,181.12 km) |
| Ostroleka to Radnevo | 770.77 mi (1,240.43 km) |
| Ostroleka to Radomir | 729.43 mi (1,173.90 km) |
| Ostroleka to Rakitovo | 774.61 mi (1,246.61 km) |
| Ostroleka to Rakovski | 761.08 mi (1,224.84 km) |
| Ostroleka to Razgrad | 696.46 mi (1,120.84 km) |
| Ostroleka to Razlog | 777.70 mi (1,251.59 km) |
| Ostroleka to Ruse | 669.25 mi (1,077.06 km) |
| Ostroleka to Samokov | 747.01 mi (1,202.20 km) |
| Ostroleka to Sandanski | 798.47 mi (1,285.01 km) |
| Ostroleka to Sevlievo | 712.62 mi (1,146.85 km) |
| Ostroleka to Shumen | 719.27 mi (1,157.55 km) |
| Ostroleka to Silistra | 670.35 mi (1,078.82 km) |
| Ostroleka to Sliven | 750.24 mi (1,207.39 km) |
