| Washougal to Kidricevo | 5,590.88 mi (8,997.66 km) |
| Washougal to Kobarid | 5,549.32 mi (8,930.77 km) |
| Washougal to Kobilje | 5,587.29 mi (8,991.87 km) |
| Washougal to Kocevje | 5,615.73 mi (9,037.65 km) |
| Washougal to Komen | 5,579.28 mi (8,978.99 km) |
| Washougal to Komenda | 5,574.15 mi (8,970.73 km) |
| Washougal to Koper | 5,594.87 mi (9,004.07 km) |
| Washougal to Kostanjevica na Krki | 5,616.44 mi (9,038.79 km) |
| Washougal to Kostel | 5,625.04 mi (9,052.62 km) |
| Washougal to Kozje | 5,605.66 mi (9,021.44 km) |
| Washougal to Kranj | 5,568.58 mi (8,961.77 km) |
| Washougal to Kranjska Gora | 5,539.87 mi (8,915.56 km) |
| Washougal to Krizevci | 5,588.97 mi (8,994.58 km) |
| Washougal to Krsko | 5,611.48 mi (9,030.80 km) |
| Washougal to Kuzma | 5,571.23 mi (8,966.04 km) |
