| Cities | Distance |
|---|---|
| Istrana to Devnya | 780.33 mi (1,255.83 km) |
| Istrana to Dimitrovgrad | 716.71 mi (1,153.43 km) |
| Istrana to Dobrich | 786.03 mi (1,265.00 km) |
| Istrana to Dospat | 663.46 mi (1,067.73 km) |
| Istrana to Dupnitsa | 595.96 mi (959.10 km) |
| Istrana to Elhovo | 758.54 mi (1,220.76 km) |
| Istrana to Etropole | 620.21 mi (998.13 km) |
| Istrana to Gabrovo | 682.05 mi (1,097.65 km) |
| Istrana to Gorna Oryahovitsa | 693.05 mi (1,115.36 km) |
| Istrana to Gotse Delchev | 646.79 mi (1,040.91 km) |
| Istrana to Harmanli | 734.08 mi (1,181.39 km) |
| Istrana to Haskovo | 718.62 mi (1,156.50 km) |
| Istrana to Ihtiman | 622.73 mi (1,002.19 km) |
| Istrana to Isperih | 735.11 mi (1,183.05 km) |
| Istrana to Kardzhali | 718.13 mi (1,155.71 km) |