| Mettmann to Karis | 886.92 mi (1,427.36 km) |
| Mettmann to Karkkila | 921.10 mi (1,482.37 km) |
| Mettmann to Kauhajoki | 957.94 mi (1,541.65 km) |
| Mettmann to Kauhava | 1,010.76 mi (1,626.67 km) |
| Mettmann to Kauniainen | 922.85 mi (1,485.19 km) |
| Mettmann to Kemi | 1,176.38 mi (1,893.20 km) |
| Mettmann to Kemijarvi | 1,280.17 mi (2,060.23 km) |
| Mettmann to Kempele | 1,152.40 mi (1,854.61 km) |
| Mettmann to Kerava | 940.35 mi (1,513.35 km) |
| Mettmann to Keuruu | 1,008.24 mi (1,622.60 km) |
| Mettmann to Kiiminki | 1,168.79 mi (1,880.98 km) |
| Mettmann to Kirkkonummi | 909.97 mi (1,464.46 km) |
| Mettmann to Kitee | 1,144.40 mi (1,841.74 km) |
| Mettmann to Kiuruvesi | 1,116.47 mi (1,796.79 km) |
| Mettmann to Kivisto | 930.19 mi (1,496.99 km) |
