| Kocaeli to Karis | 1,360.75 mi (2,189.92 km) |
| Kocaeli to Karkkila | 1,387.44 mi (2,232.86 km) |
| Kocaeli to Kauhajoki | 1,531.07 mi (2,464.02 km) |
| Kocaeli to Kauhava | 1,568.66 mi (2,524.52 km) |
| Kocaeli to Kauniainen | 1,362.33 mi (2,192.46 km) |
| Kocaeli to Kemi | 1,738.20 mi (2,797.36 km) |
| Kocaeli to Kemijarvi | 1,795.80 mi (2,890.07 km) |
| Kocaeli to Kempele | 1,677.78 mi (2,700.12 km) |
| Kocaeli to Kerava | 1,372.30 mi (2,208.51 km) |
| Kocaeli to Keuruu | 1,500.87 mi (2,415.42 km) |
| Kocaeli to Kiiminki | 1,691.82 mi (2,722.73 km) |
| Kocaeli to Kirkkonummi | 1,357.85 mi (2,185.25 km) |
| Kocaeli to Kitee | 1,474.31 mi (2,372.67 km) |
| Kocaeli to Kiuruvesi | 1,587.04 mi (2,554.09 km) |
| Kocaeli to Kivisto | 1,368.80 mi (2,202.87 km) |
