| Cities | Distance |
|---|---|
| Duffel to Oberriet | 346.68 mi (557.92 km) |
| Duffel to Obersiggenthal | 302.01 mi (486.04 km) |
| Duffel to Oberwil | 283.02 mi (455.48 km) |
| Duffel to Oberwingert | 312.91 mi (503.57 km) |
| Duffel to Oftringen | 303.05 mi (487.71 km) |
| Duffel to Olten | 300.66 mi (483.86 km) |
| Duffel to Onex | 347.29 mi (558.92 km) |
| Duffel to Opfikon | 312.19 mi (502.42 km) |
| Duffel to Ostermundigen | 316.41 mi (509.21 km) |
| Duffel to Payerne | 315.56 mi (507.84 km) |
| Duffel to Pfaffikon | 321.74 mi (517.78 km) |
| Duffel to Plan-les-Ouates | 348.58 mi (560.98 km) |
| Duffel to Pratteln | 286.05 mi (460.35 km) |
| Duffel to Prilly | 329.42 mi (530.15 km) |
| Duffel to Pully | 331.40 mi (533.34 km) |