| Grefrath to Kranenburg | 34.45 mi (55.44 km) |
| Grefrath to Krefeld | 9.75 mi (15.70 km) |
| Grefrath to Kressbronn am Bodensee | 296.93 mi (477.87 km) |
| Grefrath to Kreuzau | 41.23 mi (66.36 km) |
| Grefrath to Kreuztal | 74.95 mi (120.62 km) |
| Grefrath to Kriftel | 127.08 mi (204.52 km) |
| Grefrath to Kronach | 230.56 mi (371.04 km) |
| Grefrath to Kronberg | 123.49 mi (198.74 km) |
| Grefrath to Kronshagen | 259.31 mi (417.32 km) |
| Grefrath to Krumbach | 278.69 mi (448.51 km) |
| Grefrath to Kulmbach | 238.53 mi (383.87 km) |
| Grefrath to Kummersbruck | 277.81 mi (447.09 km) |
| Grefrath to Kunzell | 156.67 mi (252.14 km) |
| Grefrath to Kunzelsau | 204.59 mi (329.26 km) |
| Grefrath to Kurort Steinbach-Hallenberg | 188.83 mi (303.89 km) |
