| Cities | Distance |
|---|---|
| Frauenfeld to Karlovo | 844.66 mi (1,359.34 km) |
| Frauenfeld to Karnobat | 942.49 mi (1,516.79 km) |
| Frauenfeld to Kavarna | 980.29 mi (1,577.63 km) |
| Frauenfeld to Kazanlak | 871.94 mi (1,403.25 km) |
| Frauenfeld to Knezha | 784.83 mi (1,263.05 km) |
| Frauenfeld to Kostinbrod | 768.56 mi (1,236.87 km) |
| Frauenfeld to Kozloduy | 760.57 mi (1,224.02 km) |
| Frauenfeld to Kyustendil | 764.75 mi (1,230.74 km) |
| Frauenfeld to Levski | 836.21 mi (1,345.75 km) |
| Frauenfeld to Lom | 736.97 mi (1,186.04 km) |
| Frauenfeld to Lovech | 824.63 mi (1,327.11 km) |
| Frauenfeld to Lukovit | 797.91 mi (1,284.11 km) |
| Frauenfeld to Lyaskovets | 870.70 mi (1,401.25 km) |
| Frauenfeld to Mezdra | 778.70 mi (1,253.20 km) |
| Frauenfeld to Momchilgrad | 910.91 mi (1,465.97 km) |