| Foster City to Kluczbork | 5,867.31 mi (9,442.52 km) |
| Foster City to Knurow | 5,923.37 mi (9,532.74 km) |
| Foster City to Kobylka | 5,848.72 mi (9,412.61 km) |
| Foster City to Kokoszki | 5,672.29 mi (9,128.66 km) |
| Foster City to Kolbuszowa | 5,987.28 mi (9,635.59 km) |
| Foster City to Kolno | 5,797.42 mi (9,330.05 km) |
| Foster City to Kolo | 5,803.75 mi (9,340.23 km) |
| Foster City to Kolobrzeg | 5,621.32 mi (9,046.64 km) |
| Foster City to Koluszki | 5,855.38 mi (9,423.32 km) |
| Foster City to Komorniki | 5,757.79 mi (9,266.27 km) |
| Foster City to Konin | 5,794.92 mi (9,326.02 km) |
| Foster City to Konskie | 5,901.49 mi (9,497.53 km) |
| Foster City to Konstancin-Jeziorna | 5,862.26 mi (9,434.39 km) |
| Foster City to Konstantynow Lodzki | 5,845.56 mi (9,407.51 km) |
| Foster City to Koronowo | 5,722.41 mi (9,209.32 km) |
