| Washougal to Kluczbork | 5,361.92 mi (8,629.18 km) |
| Washougal to Knurow | 5,418.42 mi (8,720.10 km) |
| Washougal to Kobylka | 5,334.59 mi (8,585.20 km) |
| Washougal to Kokoszki | 5,159.98 mi (8,304.18 km) |
| Washougal to Kolbuszowa | 5,475.42 mi (8,811.84 km) |
| Washougal to Kolno | 5,280.12 mi (8,497.53 km) |
| Washougal to Kolo | 5,295.14 mi (8,521.70 km) |
| Washougal to Kolobrzeg | 5,115.15 mi (8,232.04 km) |
| Washougal to Koluszki | 5,345.13 mi (8,602.16 km) |
| Washougal to Komorniki | 5,253.19 mi (8,454.19 km) |
| Washougal to Konin | 5,287.05 mi (8,508.69 km) |
| Washougal to Konskie | 5,390.91 mi (8,675.83 km) |
| Washougal to Konstancin-Jeziorna | 5,348.71 mi (8,607.92 km) |
| Washougal to Konstantynow Lodzki | 5,336.30 mi (8,587.94 km) |
| Washougal to Koronowo | 5,213.14 mi (8,389.74 km) |
