| Zell am See to Karnobat | 763.79 mi (1,229.20 km) |
| Zell am See to Kavarna | 798.78 mi (1,285.51 km) |
| Zell am See to Kazanlak | 695.41 mi (1,119.16 km) |
| Zell am See to Knezha | 607.01 mi (976.89 km) |
| Zell am See to Kostinbrod | 595.42 mi (958.24 km) |
| Zell am See to Kozloduy | 582.18 mi (936.94 km) |
| Zell am See to Kyustendil | 596.00 mi (959.18 km) |
| Zell am See to Levski | 657.47 mi (1,058.10 km) |
| Zell am See to Lom | 559.14 mi (899.84 km) |
| Zell am See to Lovech | 647.25 mi (1,041.64 km) |
| Zell am See to Lukovit | 621.13 mi (999.62 km) |
| Zell am See to Lyaskovets | 692.09 mi (1,113.82 km) |
| Zell am See to Mezdra | 602.96 mi (970.37 km) |
| Zell am See to Momchilgrad | 738.68 mi (1,188.79 km) |
| Zell am See to Montana | 573.13 mi (922.36 km) |
