| Cities | Distance |
|---|---|
| Outreau to Opwijk | 114.43 mi (184.16 km) |
| Outreau to Ostend | 68.02 mi (109.47 km) |
| Outreau to Oud-Heverlee | 134.56 mi (216.56 km) |
| Outreau to Oud-Turnhout | 153.29 mi (246.70 km) |
| Outreau to Oudenaarde | 88.22 mi (141.98 km) |
| Outreau to Oudenburg | 69.60 mi (112.01 km) |
| Outreau to Oupeye | 177.16 mi (285.11 km) |
| Outreau to Overijse | 128.62 mi (207.00 km) |
| Outreau to Overpelt | 170.07 mi (273.71 km) |
| Outreau to Paal | 157.74 mi (253.86 km) |
| Outreau to Peer | 170.69 mi (274.70 km) |
| Outreau to Pepinster | 185.27 mi (298.17 km) |
| Outreau to Peruwelz | 88.18 mi (141.91 km) |
| Outreau to Perwez | 141.17 mi (227.19 km) |
| Outreau to Philippeville | 134.62 mi (216.65 km) |