| Cities | Distance |
|---|---|
| Orsay to Opwijk | 180.21 mi (290.02 km) |
| Orsay to Ostend | 177.65 mi (285.90 km) |
| Orsay to Oud-Heverlee | 184.39 mi (296.74 km) |
| Orsay to Oud-Turnhout | 219.39 mi (353.07 km) |
| Orsay to Oudenaarde | 161.48 mi (259.88 km) |
| Orsay to Oudenburg | 175.47 mi (282.39 km) |
| Orsay to Oupeye | 207.65 mi (334.18 km) |
| Orsay to Overijse | 178.10 mi (286.63 km) |
| Orsay to Overpelt | 225.54 mi (362.97 km) |
| Orsay to Paal | 209.34 mi (336.90 km) |
| Orsay to Peer | 222.25 mi (357.67 km) |
| Orsay to Pepinster | 207.43 mi (333.83 km) |
| Orsay to Peruwelz | 140.33 mi (225.84 km) |
| Orsay to Perwez | 177.51 mi (285.68 km) |
| Orsay to Philippeville | 148.41 mi (238.85 km) |