| Cities | Distance |
|---|---|
| Regensburg to Popovo | 780.18 mi (1,255.57 km) |
| Regensburg to Provadia | 836.43 mi (1,346.10 km) |
| Regensburg to Radnevo | 812.08 mi (1,306.92 km) |
| Regensburg to Radomir | 687.14 mi (1,105.84 km) |
| Regensburg to Rakitovo | 755.98 mi (1,216.63 km) |
| Regensburg to Rakovski | 774.94 mi (1,247.14 km) |
| Regensburg to Razgrad | 784.73 mi (1,262.90 km) |
| Regensburg to Razlog | 738.41 mi (1,188.35 km) |
| Regensburg to Ruse | 750.23 mi (1,207.37 km) |
| Regensburg to Samokov | 719.55 mi (1,158.00 km) |
| Regensburg to Sandanski | 747.66 mi (1,203.25 km) |
| Regensburg to Sevlievo | 748.19 mi (1,204.10 km) |
| Regensburg to Shumen | 811.73 mi (1,306.36 km) |
| Regensburg to Silistra | 794.60 mi (1,278.79 km) |
| Regensburg to Sliven | 811.51 mi (1,306.01 km) |