| Cities | Distance |
|---|---|
| Duffel to Beyne-Heusay | 59.65 mi (96.00 km) |
| Duffel to Bierbeek | 21.40 mi (34.44 km) |
| Duffel to Bilzen | 46.39 mi (74.65 km) |
| Duffel to Binche | 50.73 mi (81.64 km) |
| Duffel to Bissegem | 59.87 mi (96.35 km) |
| Duffel to Blankenberge | 62.17 mi (100.05 km) |
| Duffel to Blegny | 60.90 mi (98.01 km) |
| Duffel to Bocholt | 46.34 mi (74.58 km) |
| Duffel to Boechout | 3.75 mi (6.03 km) |
| Duffel to Bonheiden | 4.66 mi (7.51 km) |
| Duffel to Boom | 6.61 mi (10.64 km) |
| Duffel to Boortmeerbeek | 8.35 mi (13.44 km) |
| Duffel to Borgerhout | 8.39 mi (13.50 km) |
| Duffel to Borgloon | 41.45 mi (66.70 km) |
| Duffel to Bornem | 12.30 mi (19.79 km) |