| Cities | Distance |
|---|---|
| Duffel to Novi di Modena | 520.17 mi (837.14 km) |
| Duffel to Novi Ligure | 480.42 mi (773.15 km) |
| Duffel to Nuoro | 780.02 mi (1,255.32 km) |
| Duffel to Occhiobello | 536.94 mi (864.11 km) |
| Duffel to Oderzo | 517.83 mi (833.37 km) |
| Duffel to Oggiono | 428.76 mi (690.03 km) |
| Duffel to Olbia | 742.69 mi (1,195.24 km) |
| Duffel to Oleggio | 424.26 mi (682.79 km) |
| Duffel to Olgiate Comasco | 419.99 mi (675.91 km) |
| Duffel to Olgiate Olona | 427.42 mi (687.86 km) |
| Duffel to Omegna | 402.24 mi (647.34 km) |
| Duffel to Opera | 450.10 mi (724.36 km) |
| Duffel to Oppeano | 504.39 mi (811.74 km) |
| Duffel to Orbassano | 443.37 mi (713.54 km) |
| Duffel to Orbetello | 676.44 mi (1,088.63 km) |