| Cities | Distance |
|---|---|
| Douai to Opwijk | 63.45 mi (102.11 km) |
| Douai to Ostend | 59.45 mi (95.67 km) |
| Douai to Oud-Heverlee | 76.55 mi (123.20 km) |
| Douai to Oud-Turnhout | 105.64 mi (170.01 km) |
| Douai to Oudenaarde | 40.17 mi (64.64 km) |
| Douai to Oudenburg | 56.21 mi (90.45 km) |
| Douai to Oupeye | 114.93 mi (184.95 km) |
| Douai to Overijse | 69.83 mi (112.38 km) |
| Douai to Overpelt | 117.58 mi (189.22 km) |
| Douai to Paal | 102.54 mi (165.02 km) |
| Douai to Peer | 116.33 mi (187.21 km) |
| Douai to Pepinster | 121.10 mi (194.89 km) |
| Douai to Peruwelz | 24.31 mi (39.13 km) |
| Douai to Perwez | 78.23 mi (125.89 km) |
| Douai to Philippeville | 65.97 mi (106.16 km) |