| Cities | Distance |
|---|---|
| Duffel to Namur | 46.35 mi (74.59 km) |
| Duffel to Neder-Over-Heembeek | 14.99 mi (24.12 km) |
| Duffel to Neerpelt | 40.77 mi (65.61 km) |
| Duffel to Nevele | 42.23 mi (67.96 km) |
| Duffel to Niel | 8.04 mi (12.94 km) |
| Duffel to Nieuwpoort | 76.65 mi (123.35 km) |
| Duffel to Nijlen | 7.39 mi (11.90 km) |
| Duffel to Ninove | 28.51 mi (45.88 km) |
| Duffel to Nivelles | 36.75 mi (59.15 km) |
| Duffel to Olen | 14.86 mi (23.92 km) |
| Duffel to Oostakker | 32.54 mi (52.37 km) |
| Duffel to Oosterzele | 32.83 mi (52.83 km) |
| Duffel to Oostkamp | 55.69 mi (89.63 km) |
| Duffel to Opglabbeek | 46.43 mi (74.72 km) |
| Duffel to Opwijk | 17.17 mi (27.63 km) |