| Duffel to Kranenburg | 79.94 mi (128.65 km) |
| Duffel to Krefeld | 90.17 mi (145.11 km) |
| Duffel to Kressbronn am Bodensee | 332.97 mi (535.87 km) |
| Duffel to Kreuzau | 89.36 mi (143.82 km) |
| Duffel to Kreuztal | 150.17 mi (241.68 km) |
| Duffel to Kriftel | 186.94 mi (300.86 km) |
| Duffel to Kronach | 304.00 mi (489.24 km) |
| Duffel to Kronberg | 185.64 mi (298.76 km) |
| Duffel to Kronshagen | 322.60 mi (519.18 km) |
| Duffel to Krumbach | 327.24 mi (526.64 km) |
| Duffel to Kulmbach | 310.97 mi (500.46 km) |
| Duffel to Kummersbruck | 345.38 mi (555.84 km) |
| Duffel to Kunzell | 230.07 mi (370.26 km) |
| Duffel to Kunzelsau | 260.66 mi (419.49 km) |
| Duffel to Kurort Steinbach-Hallenberg | 264.99 mi (426.47 km) |
