| Perchtoldsdorf to Provadia | 637.07 mi (1,025.26 km) |
| Perchtoldsdorf to Radnevo | 617.99 mi (994.55 km) |
| Perchtoldsdorf to Radomir | 502.90 mi (809.34 km) |
| Perchtoldsdorf to Rakitovo | 569.65 mi (916.76 km) |
| Perchtoldsdorf to Rakovski | 583.70 mi (939.38 km) |
| Perchtoldsdorf to Razgrad | 585.63 mi (942.49 km) |
| Perchtoldsdorf to Razlog | 555.57 mi (894.11 km) |
| Perchtoldsdorf to Ruse | 551.11 mi (886.93 km) |
| Perchtoldsdorf to Samokov | 533.62 mi (858.78 km) |
| Perchtoldsdorf to Sandanski | 567.69 mi (913.60 km) |
| Perchtoldsdorf to Sevlievo | 553.30 mi (890.44 km) |
| Perchtoldsdorf to Shumen | 612.72 mi (986.08 km) |
| Perchtoldsdorf to Silistra | 593.88 mi (955.76 km) |
| Perchtoldsdorf to Sliven | 615.14 mi (989.97 km) |
| Perchtoldsdorf to Smolyan | 611.18 mi (983.59 km) |
