| Willoughby to Jozefow | 4,484.08 mi (7,216.43 km) |
| Willoughby to Kalisz | 4,389.78 mi (7,064.66 km) |
| Willoughby to Kamien Pomorski | 4,190.79 mi (6,744.42 km) |
| Willoughby to Kamienna Gora | 4,354.37 mi (7,007.68 km) |
| Willoughby to Karczew | 4,486.70 mi (7,220.64 km) |
| Willoughby to Kartuzy | 4,294.19 mi (6,910.83 km) |
| Willoughby to Katowice | 4,482.38 mi (7,213.70 km) |
| Willoughby to Kedzierzyn-Kozle | 4,449.69 mi (7,161.09 km) |
| Willoughby to Kepno | 4,404.98 mi (7,089.14 km) |
| Willoughby to Ketrzyn | 4,409.83 mi (7,096.94 km) |
| Willoughby to Kety | 4,504.41 mi (7,249.15 km) |
| Willoughby to Kielce | 4,514.97 mi (7,266.14 km) |
| Willoughby to Kielczow | 4,381.85 mi (7,051.91 km) |
| Willoughby to Klobuck | 4,453.27 mi (7,166.85 km) |
| Willoughby to Klodzko | 4,390.31 mi (7,065.52 km) |
