| Foster City to Karis | 5,418.82 mi (8,720.75 km) |
| Foster City to Karkkila | 5,398.83 mi (8,688.58 km) |
| Foster City to Kauhajoki | 5,251.46 mi (8,451.41 km) |
| Foster City to Kauhava | 5,223.92 mi (8,407.08 km) |
| Foster City to Kauniainen | 5,426.27 mi (8,732.73 km) |
| Foster City to Kemi | 5,082.59 mi (8,179.63 km) |
| Foster City to Kemijarvi | 5,056.38 mi (8,137.45 km) |
| Foster City to Kempele | 5,145.67 mi (8,281.16 km) |
| Foster City to Kerava | 5,420.39 mi (8,723.27 km) |
| Foster City to Keuruu | 5,299.38 mi (8,528.53 km) |
| Foster City to Kiiminki | 5,135.36 mi (8,264.56 km) |
| Foster City to Kirkkonummi | 5,427.65 mi (8,734.96 km) |
| Foster City to Kitee | 5,381.08 mi (8,660.01 km) |
| Foster City to Kiuruvesi | 5,238.71 mi (8,430.89 km) |
| Foster City to Kivisto | 5,421.32 mi (8,724.78 km) |
