| Williamstown to Jozefow | 4,357.17 mi (7,012.19 km) |
| Williamstown to Kalisz | 4,253.84 mi (6,845.89 km) |
| Williamstown to Kamien Pomorski | 4,060.93 mi (6,535.43 km) |
| Williamstown to Kamienna Gora | 4,208.54 mi (6,772.99 km) |
| Williamstown to Karczew | 4,359.56 mi (7,016.03 km) |
| Williamstown to Kartuzy | 4,173.28 mi (6,716.24 km) |
| Williamstown to Katowice | 4,340.26 mi (6,984.98 km) |
| Williamstown to Kedzierzyn-Kozle | 4,306.19 mi (6,930.15 km) |
| Williamstown to Kepno | 4,266.18 mi (6,865.75 km) |
| Williamstown to Ketrzyn | 4,294.14 mi (6,910.74 km) |
| Williamstown to Kety | 4,360.76 mi (7,017.96 km) |
| Williamstown to Kielce | 4,379.83 mi (7,048.65 km) |
| Williamstown to Kielczow | 4,240.50 mi (6,824.42 km) |
| Williamstown to Klobuck | 4,314.53 mi (6,943.56 km) |
| Williamstown to Klodzko | 4,243.85 mi (6,829.82 km) |
