| Cities | Distance |
|---|---|
| Ustron to Popovo | 563.43 mi (906.75 km) |
| Ustron to Provadia | 609.44 mi (980.80 km) |
| Ustron to Radnevo | 615.48 mi (990.51 km) |
| Ustron to Radomir | 533.30 mi (858.26 km) |
| Ustron to Rakitovo | 591.29 mi (951.59 km) |
| Ustron to Rakovski | 591.84 mi (952.47 km) |
| Ustron to Razgrad | 561.85 mi (904.20 km) |
| Ustron to Razlog | 585.72 mi (942.63 km) |
| Ustron to Ruse | 528.85 mi (851.10 km) |
| Ustron to Samokov | 558.24 mi (898.40 km) |
| Ustron to Sandanski | 602.90 mi (970.27 km) |
| Ustron to Sevlievo | 551.05 mi (886.83 km) |
| Ustron to Shumen | 588.33 mi (946.82 km) |
| Ustron to Silistra | 555.06 mi (893.28 km) |
| Ustron to Sliven | 604.09 mi (972.18 km) |