| Forest Grove to Kluczbork | 5,380.61 mi (8,659.26 km) |
| Forest Grove to Knurow | 5,437.15 mi (8,750.25 km) |
| Forest Grove to Kobylka | 5,351.97 mi (8,613.17 km) |
| Forest Grove to Kokoszki | 5,177.69 mi (8,332.69 km) |
| Forest Grove to Kolbuszowa | 5,493.12 mi (8,840.33 km) |
| Forest Grove to Kolno | 5,296.99 mi (8,524.69 km) |
| Forest Grove to Kolo | 5,313.38 mi (8,551.06 km) |
| Forest Grove to Kolobrzeg | 5,133.80 mi (8,262.05 km) |
| Forest Grove to Koluszki | 5,363.11 mi (8,631.10 km) |
| Forest Grove to Komorniki | 5,272.02 mi (8,484.50 km) |
| Forest Grove to Konin | 5,305.41 mi (8,538.23 km) |
| Forest Grove to Konskie | 5,408.83 mi (8,704.66 km) |
| Forest Grove to Konstancin-Jeziorna | 5,366.18 mi (8,636.03 km) |
| Forest Grove to Konstantynow Lodzki | 5,354.43 mi (8,617.12 km) |
| Forest Grove to Koronowo | 5,231.31 mi (8,418.98 km) |
