| Williamstown to Koscian | 4,189.55 mi (6,742.43 km) |
| Williamstown to Koscielisko | 4,408.28 mi (7,094.44 km) |
| Williamstown to Koscierzyna | 4,172.54 mi (6,715.06 km) |
| Williamstown to Kostrzyn | 4,200.77 mi (6,760.49 km) |
| Williamstown to Kostrzyn nad Odra | 4,099.15 mi (6,596.94 km) |
| Williamstown to Koszalin | 4,105.18 mi (6,606.64 km) |
| Williamstown to Kowary | 4,200.57 mi (6,760.16 km) |
| Williamstown to Kozienice | 4,388.99 mi (7,063.40 km) |
| Williamstown to Kozuchow | 4,160.71 mi (6,696.01 km) |
| Williamstown to Kozy | 4,359.38 mi (7,015.74 km) |
| Williamstown to Krakow | 4,382.54 mi (7,053.02 km) |
| Williamstown to Krapkowice | 4,293.28 mi (6,909.36 km) |
| Williamstown to Krasnik | 4,437.10 mi (7,140.82 km) |
| Williamstown to Krasnystaw | 4,470.21 mi (7,194.10 km) |
| Williamstown to Krosno | 4,464.98 mi (7,185.69 km) |
