| Frauenfeld to Jozefow | 633.06 mi (1,018.82 km) |
| Frauenfeld to Kalisz | 502.53 mi (808.74 km) |
| Frauenfeld to Kamien Pomorski | 512.08 mi (824.11 km) |
| Frauenfeld to Kamienna Gora | 391.85 mi (630.62 km) |
| Frauenfeld to Karczew | 632.25 mi (1,017.51 km) |
| Frauenfeld to Kartuzy | 618.32 mi (995.08 km) |
| Frauenfeld to Katowice | 495.78 mi (797.88 km) |
| Frauenfeld to Kedzierzyn-Kozle | 463.79 mi (746.40 km) |
| Frauenfeld to Kepno | 482.42 mi (776.38 km) |
| Frauenfeld to Ketrzyn | 705.87 mi (1,135.98 km) |
| Frauenfeld to Kety | 496.98 mi (799.81 km) |
| Frauenfeld to Kielce | 576.42 mi (927.66 km) |
| Frauenfeld to Kielczow | 447.26 mi (719.79 km) |
| Frauenfeld to Klobuck | 508.35 mi (818.11 km) |
| Frauenfeld to Klodzko | 403.62 mi (649.56 km) |
