| Perchtoldsdorf to Karnobat | 642.52 mi (1,034.04 km) |
| Perchtoldsdorf to Kavarna | 664.40 mi (1,069.25 km) |
| Perchtoldsdorf to Kazanlak | 583.22 mi (938.60 km) |
| Perchtoldsdorf to Knezha | 492.99 mi (793.40 km) |
| Perchtoldsdorf to Kostinbrod | 497.10 mi (800.01 km) |
| Perchtoldsdorf to Kozloduy | 466.86 mi (751.33 km) |
| Perchtoldsdorf to Kyustendil | 509.56 mi (820.05 km) |
| Perchtoldsdorf to Levski | 538.41 mi (866.48 km) |
| Perchtoldsdorf to Lom | 446.84 mi (719.12 km) |
| Perchtoldsdorf to Lovech | 533.51 mi (858.60 km) |
| Perchtoldsdorf to Lukovit | 510.35 mi (821.34 km) |
| Perchtoldsdorf to Lyaskovets | 572.70 mi (921.67 km) |
| Perchtoldsdorf to Mezdra | 496.29 mi (798.71 km) |
| Perchtoldsdorf to Momchilgrad | 637.87 mi (1,026.55 km) |
| Perchtoldsdorf to Montana | 466.82 mi (751.28 km) |
