| Watertown Town to Koscian | 3,918.33 mi (6,305.94 km) |
| Watertown Town to Koscielisko | 4,137.05 mi (6,657.94 km) |
| Watertown Town to Koscierzyna | 3,901.77 mi (6,279.30 km) |
| Watertown Town to Kostrzyn | 3,929.59 mi (6,324.07 km) |
| Watertown Town to Kostrzyn nad Odra | 3,827.91 mi (6,160.43 km) |
| Watertown Town to Koszalin | 3,834.28 mi (6,170.68 km) |
| Watertown Town to Kowary | 3,929.33 mi (6,323.65 km) |
| Watertown Town to Kozienice | 4,117.92 mi (6,627.15 km) |
| Watertown Town to Kozuchow | 3,889.45 mi (6,259.47 km) |
| Watertown Town to Kozy | 4,088.13 mi (6,579.21 km) |
| Watertown Town to Krakow | 4,111.29 mi (6,616.48 km) |
| Watertown Town to Krapkowice | 4,022.02 mi (6,472.82 km) |
| Watertown Town to Krasnik | 4,165.97 mi (6,704.47 km) |
| Watertown Town to Krasnystaw | 4,199.14 mi (6,757.86 km) |
| Watertown Town to Krosno | 4,193.73 mi (6,749.15 km) |
