| Washougal to Klaukkala | 4,884.81 mi (7,861.34 km) |
| Washougal to Kokkola | 4,646.07 mi (7,477.12 km) |
| Washougal to Kontiolahti | 4,795.31 mi (7,717.30 km) |
| Washougal to Korsholm | 4,671.42 mi (7,517.92 km) |
| Washougal to Kotka | 4,908.62 mi (7,899.66 km) |
| Washougal to Kouvola | 4,879.91 mi (7,853.45 km) |
| Washougal to Kuhmo | 4,703.85 mi (7,570.11 km) |
| Washougal to Kuopio | 4,762.42 mi (7,664.37 km) |
| Washougal to Kurikka | 4,712.19 mi (7,583.54 km) |
| Washougal to Kuusamo | 4,581.64 mi (7,373.43 km) |
| Washougal to Kuusankoski | 4,876.31 mi (7,847.66 km) |
| Washougal to Lahti | 4,858.85 mi (7,819.56 km) |
| Washougal to Laitila | 4,809.93 mi (7,740.84 km) |
| Washougal to Lapinlahti | 4,728.60 mi (7,609.94 km) |
| Washougal to Lappeenranta | 4,885.69 mi (7,862.76 km) |
