| Cities | Distance |
|---|---|
| Douai to Olivenza | 948.49 mi (1,526.44 km) |
| Douai to Olot | 566.52 mi (911.72 km) |
| Douai to Onate | 569.62 mi (916.71 km) |
| Douai to Onda | 737.20 mi (1,186.41 km) |
| Douai to Onteniente | 818.06 mi (1,316.54 km) |
| Douai to Orihuela | 871.62 mi (1,402.74 km) |
| Douai to Osuna | 993.74 mi (1,599.27 km) |
| Douai to Ourense | 760.39 mi (1,223.74 km) |
| Douai to Oviedo | 641.30 mi (1,032.08 km) |
| Douai to Paiporta | 775.04 mi (1,247.31 km) |
| Douai to Pajara | 1,767.26 mi (2,844.13 km) |
| Douai to Palafolls | 601.47 mi (967.97 km) |
| Douai to Palafrugell | 584.13 mi (940.06 km) |
| Douai to Palamos | 589.07 mi (948.01 km) |
| Douai to Palencia | 681.69 mi (1,097.08 km) |