| Zwolle to Karlovo | 1,101.46 mi (1,772.63 km) |
| Zwolle to Karnobat | 1,182.09 mi (1,902.38 km) |
| Zwolle to Kavarna | 1,197.39 mi (1,927.01 km) |
| Zwolle to Kazanlak | 1,124.28 mi (1,809.36 km) |
| Zwolle to Knezha | 1,034.07 mi (1,664.17 km) |
| Zwolle to Kostinbrod | 1,036.30 mi (1,667.77 km) |
| Zwolle to Kozloduy | 1,007.91 mi (1,622.08 km) |
| Zwolle to Kyustendil | 1,044.92 mi (1,681.64 km) |
| Zwolle to Levski | 1,078.93 mi (1,736.36 km) |
| Zwolle to Lom | 987.89 mi (1,589.85 km) |
| Zwolle to Lovech | 1,074.56 mi (1,729.33 km) |
| Zwolle to Lukovit | 1,051.41 mi (1,692.08 km) |
| Zwolle to Lyaskovets | 1,113.02 mi (1,791.24 km) |
| Zwolle to Mezdra | 1,037.02 mi (1,668.92 km) |
| Zwolle to Momchilgrad | 1,178.19 mi (1,896.11 km) |
