| Duffel to Karkkila | 997.90 mi (1,605.97 km) |
| Duffel to Kauhajoki | 1,022.86 mi (1,646.14 km) |
| Duffel to Kauhava | 1,074.55 mi (1,729.32 km) |
| Duffel to Kauniainen | 1,001.80 mi (1,612.24 km) |
| Duffel to Kemi | 1,232.63 mi (1,983.73 km) |
| Duffel to Kemijarvi | 1,337.19 mi (2,151.99 km) |
| Duffel to Kempele | 1,213.15 mi (1,952.37 km) |
| Duffel to Kerava | 1,018.99 mi (1,639.91 km) |
| Duffel to Keuruu | 1,078.30 mi (1,735.36 km) |
| Duffel to Kiiminki | 1,229.12 mi (1,978.07 km) |
| Duffel to Kirkkonummi | 988.92 mi (1,591.51 km) |
| Duffel to Kitee | 1,221.87 mi (1,966.41 km) |
| Duffel to Kiuruvesi | 1,183.71 mi (1,904.99 km) |
| Duffel to Kivisto | 1,008.82 mi (1,623.53 km) |
| Duffel to Klaukkala | 1,008.01 mi (1,622.24 km) |
