| Thornton to Jozefow | 963.16 mi (1,550.06 km) |
| Thornton to Kalisz | 841.92 mi (1,354.94 km) |
| Thornton to Kamien Pomorski | 675.60 mi (1,087.27 km) |
| Thornton to Kamienna Gora | 781.52 mi (1,257.74 km) |
| Thornton to Karczew | 964.80 mi (1,552.69 km) |
| Thornton to Kartuzy | 811.20 mi (1,305.51 km) |
| Thornton to Katowice | 916.13 mi (1,474.37 km) |
| Thornton to Kedzierzyn-Kozle | 880.77 mi (1,417.46 km) |
| Thornton to Kepno | 848.37 mi (1,365.31 km) |
| Thornton to Ketrzyn | 940.97 mi (1,514.34 km) |
| Thornton to Kety | 934.58 mi (1,504.05 km) |
| Thornton to Kielce | 966.09 mi (1,554.77 km) |
| Thornton to Kielczow | 818.97 mi (1,318.00 km) |
| Thornton to Klobuck | 895.80 mi (1,441.64 km) |
| Thornton to Klodzko | 815.86 mi (1,313.01 km) |
