| Cities | Distance |
|---|---|
| Duffel to Jurbise | 46.71 mi (75.17 km) |
| Duffel to Kalmthout | 19.69 mi (31.69 km) |
| Duffel to Kampenhout | 11.06 mi (17.80 km) |
| Duffel to Kapelle-op-den-Bos | 8.69 mi (13.99 km) |
| Duffel to Kapellen | 15.40 mi (24.79 km) |
| Duffel to Kasterlee | 21.44 mi (34.51 km) |
| Duffel to Keerbergen | 8.34 mi (13.42 km) |
| Duffel to Kinrooi | 53.15 mi (85.54 km) |
| Duffel to Knokke-Heist | 55.77 mi (89.75 km) |
| Duffel to Koekelare | 66.67 mi (107.30 km) |
| Duffel to Koekelberg | 17.99 mi (28.94 km) |
| Duffel to Koksijde | 80.99 mi (130.34 km) |
| Duffel to Kontich | 3.70 mi (5.95 km) |
| Duffel to Kortemark | 64.12 mi (103.19 km) |
| Duffel to Kortenberg | 14.99 mi (24.12 km) |