| Cities | Distance |
|---|
| Sierning to Provadia | 716.38 mi (1,152.90 km) |
| Sierning to Radnevo | 690.25 mi (1,110.85 km) |
| Sierning to Radomir | 565.46 mi (910.02 km) |
| Sierning to Rakitovo | 634.15 mi (1,020.57 km) |
| Sierning to Rakovski | 652.93 mi (1,050.78 km) |
| Sierning to Razgrad | 664.54 mi (1,069.47 km) |
| Sierning to Razlog | 616.95 mi (992.89 km) |
| Sierning to Ruse | 630.08 mi (1,014.02 km) |
| Sierning to Samokov | 597.74 mi (961.96 km) |
| Sierning to Sandanski | 626.65 mi (1,008.49 km) |
| Sierning to Sevlievo | 626.50 mi (1,008.26 km) |
| Sierning to Shumen | 691.46 mi (1,112.79 km) |
| Sierning to Silistra | 676.30 mi (1,088.40 km) |
| Sierning to Sliven | 690.11 mi (1,110.62 km) |
| Sierning to Smolyan | 676.18 mi (1,088.20 km) |
