| Williamstown to Kluczbork | 4,285.17 mi (6,896.31 km) |
| Williamstown to Knurow | 4,329.28 mi (6,967.30 km) |
| Williamstown to Kobylka | 4,348.88 mi (6,998.85 km) |
| Williamstown to Kokoszki | 4,182.97 mi (6,731.84 km) |
| Williamstown to Kolbuszowa | 4,444.78 mi (7,153.19 km) |
| Williamstown to Kolno | 4,337.08 mi (6,979.86 km) |
| Williamstown to Kolo | 4,259.50 mi (6,855.01 km) |
| Williamstown to Kolobrzeg | 4,083.94 mi (6,572.46 km) |
| Williamstown to Koluszki | 4,318.04 mi (6,949.21 km) |
| Williamstown to Komorniki | 4,185.47 mi (6,735.87 km) |
| Williamstown to Konin | 4,245.38 mi (6,832.28 km) |
| Williamstown to Konskie | 4,360.19 mi (7,017.04 km) |
| Williamstown to Konstancin-Jeziorna | 4,354.70 mi (7,008.21 km) |
| Williamstown to Konstantynow Lodzki | 4,300.75 mi (6,921.40 km) |
| Williamstown to Koronowo | 4,196.74 mi (6,754.00 km) |
