| Cities | Distance |
|---|---|
| Douglas to Opwijk | 546.62 mi (879.70 km) |
| Douglas to Ostend | 489.42 mi (787.65 km) |
| Douglas to Oud-Heverlee | 569.14 mi (915.94 km) |
| Douglas to Oud-Turnhout | 576.43 mi (927.67 km) |
| Douglas to Oudenaarde | 523.43 mi (842.39 km) |
| Douglas to Oudenburg | 493.36 mi (793.99 km) |
| Douglas to Oupeye | 612.66 mi (985.98 km) |
| Douglas to Overijse | 564.20 mi (907.99 km) |
| Douglas to Overpelt | 596.05 mi (959.24 km) |
| Douglas to Paal | 587.85 mi (946.05 km) |
| Douglas to Peer | 598.63 mi (963.41 km) |
| Douglas to Pepinster | 622.33 mi (1,001.54 km) |
| Douglas to Peruwelz | 528.17 mi (850.01 km) |
| Douglas to Perwez | 578.72 mi (931.36 km) |
| Douglas to Philippeville | 575.12 mi (925.57 km) |