| Cities | Distance |
|---|---|
| Douai to Novi di Modena | 524.68 mi (844.39 km) |
| Douai to Novi Ligure | 469.92 mi (756.26 km) |
| Douai to Nuoro | 757.52 mi (1,219.10 km) |
| Douai to Occhiobello | 545.60 mi (878.05 km) |
| Douai to Oderzo | 537.32 mi (864.73 km) |
| Douai to Oggiono | 428.97 mi (690.36 km) |
| Douai to Olbia | 722.47 mi (1,162.70 km) |
| Douai to Oleggio | 417.65 mi (672.14 km) |
| Douai to Olgiate Comasco | 417.27 mi (671.54 km) |
| Douai to Olgiate Olona | 422.99 mi (680.74 km) |
| Douai to Omegna | 395.69 mi (636.80 km) |
| Douai to Opera | 446.51 mi (718.60 km) |
| Douai to Oppeano | 513.29 mi (826.06 km) |
| Douai to Orbassano | 424.47 mi (683.12 km) |
| Douai to Orbetello | 670.31 mi (1,078.76 km) |