| Copenhagen to Opwijk | 474.41 mi (763.49 km) |
| Copenhagen to Ostend | 501.41 mi (806.94 km) |
| Copenhagen to Oud-Heverlee | 467.04 mi (751.63 km) |
| Copenhagen to Oud-Turnhout | 433.04 mi (696.91 km) |
| Copenhagen to Oudenaarde | 497.86 mi (801.23 km) |
| Copenhagen to Oudenburg | 500.77 mi (805.91 km) |
| Copenhagen to Oupeye | 446.77 mi (719.01 km) |
| Copenhagen to Overijse | 473.48 mi (761.99 km) |
| Copenhagen to Overpelt | 425.66 mi (685.03 km) |
| Copenhagen to Paal | 441.85 mi (711.10 km) |
| Copenhagen to Peer | 429.03 mi (690.45 km) |
| Copenhagen to Pepinster | 450.12 mi (724.41 km) |
| Copenhagen to Peruwelz | 515.04 mi (828.87 km) |
| Copenhagen to Perwez | 473.85 mi (762.59 km) |
| Copenhagen to Philippeville | 503.98 mi (811.07 km) |
