| Grefrath to Kerepestarcsa | 635.70 mi (1,023.06 km) |
| Grefrath to Keszthely | 585.17 mi (941.74 km) |
| Grefrath to Kiskoros | 669.99 mi (1,078.24 km) |
| Grefrath to Kiskunfelegyhaza | 689.24 mi (1,109.23 km) |
| Grefrath to Kiskunhalas | 685.34 mi (1,102.95 km) |
| Grefrath to Kiskunlachaza | 637.81 mi (1,026.45 km) |
| Grefrath to Kiskunmajsa | 692.80 mi (1,114.95 km) |
| Grefrath to Kisujszallas | 708.29 mi (1,139.89 km) |
| Grefrath to Kisvarda | 733.07 mi (1,179.76 km) |
| Grefrath to Komarom | 582.96 mi (938.18 km) |
| Grefrath to Komlo | 647.73 mi (1,042.41 km) |
| Grefrath to Kormend | 550.88 mi (886.56 km) |
| Grefrath to Koszeg | 533.92 mi (859.26 km) |
| Grefrath to Lajosmizse | 665.77 mi (1,071.46 km) |
| Grefrath to Maglod | 642.84 mi (1,034.56 km) |
