| Cities | Distance |
|---|---|
| Regensdorf to Popovo | 904.67 mi (1,455.93 km) |
| Regensdorf to Provadia | 964.43 mi (1,552.10 km) |
| Regensdorf to Radnevo | 923.38 mi (1,486.03 km) |
| Regensdorf to Radomir | 782.39 mi (1,259.14 km) |
| Regensdorf to Rakitovo | 852.23 mi (1,371.53 km) |
| Regensdorf to Rakovski | 880.50 mi (1,417.03 km) |
| Regensdorf to Razgrad | 912.54 mi (1,468.59 km) |
| Regensdorf to Razlog | 829.04 mi (1,334.21 km) |
| Regensdorf to Ruse | 878.82 mi (1,414.33 km) |
| Regensdorf to Samokov | 816.45 mi (1,313.95 km) |
| Regensdorf to Sandanski | 833.08 mi (1,340.71 km) |
| Regensdorf to Sevlievo | 863.28 mi (1,389.31 km) |
| Regensdorf to Shumen | 938.65 mi (1,510.60 km) |
| Regensdorf to Silistra | 931.68 mi (1,499.40 km) |
| Regensdorf to Sliven | 929.12 mi (1,495.28 km) |