| Grefrath to Karis | 900.04 mi (1,448.47 km) |
| Grefrath to Karkkila | 933.81 mi (1,502.82 km) |
| Grefrath to Kauhajoki | 966.74 mi (1,555.82 km) |
| Grefrath to Kauhava | 1,019.25 mi (1,640.32 km) |
| Grefrath to Kauniainen | 936.30 mi (1,506.84 km) |
| Grefrath to Kemi | 1,182.64 mi (1,903.27 km) |
| Grefrath to Kemijarvi | 1,286.72 mi (2,070.77 km) |
| Grefrath to Kempele | 1,160.03 mi (1,866.88 km) |
| Grefrath to Kerava | 953.71 mi (1,534.84 km) |
| Grefrath to Keuruu | 1,018.74 mi (1,639.51 km) |
| Grefrath to Kiiminki | 1,176.29 mi (1,893.06 km) |
| Grefrath to Kirkkonummi | 923.41 mi (1,486.09 km) |
| Grefrath to Kitee | 1,157.46 mi (1,862.75 km) |
| Grefrath to Kiuruvesi | 1,126.13 mi (1,812.33 km) |
| Grefrath to Kivisto | 943.53 mi (1,518.47 km) |
