| Washougal to Koscian | 5,263.35 mi (8,470.55 km) |
| Washougal to Koscielisko | 5,499.95 mi (8,851.32 km) |
| Washougal to Koscierzyna | 5,165.08 mi (8,312.40 km) |
| Washougal to Kostrzyn | 5,255.78 mi (8,458.36 km) |
| Washougal to Kostrzyn nad Odra | 5,192.34 mi (8,356.27 km) |
| Washougal to Koszalin | 5,125.61 mi (8,248.86 km) |
| Washougal to Kowary | 5,325.10 mi (8,569.93 km) |
| Washougal to Kozienice | 5,388.15 mi (8,671.38 km) |
| Washougal to Kozuchow | 5,262.20 mi (8,468.69 km) |
| Washougal to Kozy | 5,449.30 mi (8,769.80 km) |
| Washougal to Krakow | 5,452.62 mi (8,775.15 km) |
| Washougal to Krapkowice | 5,388.70 mi (8,672.27 km) |
| Washougal to Krasnik | 5,441.73 mi (8,757.62 km) |
| Washougal to Krasnystaw | 5,454.73 mi (8,778.54 km) |
| Washougal to Krosno | 5,510.70 mi (8,868.61 km) |
