| Watertown to Koscian | 4,016.33 mi (6,463.66 km) |
| Watertown to Koscielisko | 4,241.49 mi (6,826.02 km) |
| Watertown to Koscierzyna | 3,988.74 mi (6,419.25 km) |
| Watertown to Kostrzyn | 4,025.34 mi (6,478.17 km) |
| Watertown to Kostrzyn nad Odra | 3,926.69 mi (6,319.40 km) |
| Watertown to Koszalin | 3,923.53 mi (6,314.31 km) |
| Watertown to Kowary | 4,034.22 mi (6,492.45 km) |
| Watertown to Kozienice | 4,210.08 mi (6,775.47 km) |
| Watertown to Kozuchow | 3,990.54 mi (6,422.15 km) |
| Watertown to Kozy | 4,191.45 mi (6,745.49 km) |
| Watertown to Krakow | 4,212.47 mi (6,779.32 km) |
| Watertown to Krapkowice | 4,124.84 mi (6,638.28 km) |
| Watertown to Krasnik | 4,259.75 mi (6,855.41 km) |
| Watertown to Krasnystaw | 4,290.98 mi (6,905.67 km) |
| Watertown to Krosno | 4,293.30 mi (6,909.40 km) |
