| Cities | Distance |
|---|---|
| Duffel to Oegstgeest | 74.88 mi (120.51 km) |
| Duffel to Oirschot | 43.69 mi (70.31 km) |
| Duffel to Oisterwijk | 44.55 mi (71.70 km) |
| Duffel to Oldebroek | 110.44 mi (177.73 km) |
| Duffel to Oldenzaal | 133.30 mi (214.53 km) |
| Duffel to Ommen | 127.15 mi (204.63 km) |
| Duffel to Oosterend | 147.08 mi (236.70 km) |
| Duffel to Oosterhout | 40.29 mi (64.84 km) |
| Duffel to Oosterwolde | 150.81 mi (242.70 km) |
| Duffel to Oostzaan | 93.45 mi (150.39 km) |
| Duffel to Opmeer | 112.08 mi (180.38 km) |
| Duffel to Oss | 63.07 mi (101.49 km) |
| Duffel to Oud-Beijerland | 49.77 mi (80.10 km) |
| Duffel to Oudenbosch | 33.80 mi (54.40 km) |
| Duffel to Oudewater | 65.10 mi (104.76 km) |