| Regensdorf to Devnya | 969.62 mi (1,560.45 km) |
| Regensdorf to Dimitrovgrad | 916.89 mi (1,475.59 km) |
| Regensdorf to Dobrich | 972.30 mi (1,564.76 km) |
| Regensdorf to Dospat | 868.11 mi (1,397.09 km) |
| Regensdorf to Dupnitsa | 799.90 mi (1,287.32 km) |
| Regensdorf to Elhovo | 956.24 mi (1,538.93 km) |
| Regensdorf to Etropole | 819.30 mi (1,318.54 km) |
| Regensdorf to Gabrovo | 878.15 mi (1,413.24 km) |
| Regensdorf to Gorna Oryahovitsa | 886.64 mi (1,426.91 km) |
| Regensdorf to Gotse Delchev | 852.50 mi (1,371.97 km) |
| Regensdorf to Harmanli | 934.26 mi (1,503.55 km) |
| Regensdorf to Haskovo | 919.44 mi (1,479.69 km) |
| Regensdorf to Ihtiman | 824.44 mi (1,326.81 km) |
| Regensdorf to Isperih | 922.16 mi (1,484.07 km) |
| Regensdorf to Kardzhali | 920.62 mi (1,481.59 km) |
