| Cities | Distance |
|---|---|
| Rouen to Opwijk | 172.65 mi (277.85 km) |
| Rouen to Ostend | 147.29 mi (237.03 km) |
| Rouen to Oud-Heverlee | 185.28 mi (298.17 km) |
| Rouen to Oud-Turnhout | 214.92 mi (345.88 km) |
| Rouen to Oudenaarde | 147.69 mi (237.69 km) |
| Rouen to Oudenburg | 146.87 mi (236.37 km) |
| Rouen to Oupeye | 220.02 mi (354.10 km) |
| Rouen to Overijse | 178.50 mi (287.27 km) |
| Rouen to Overpelt | 226.80 mi (365.00 km) |
| Rouen to Paal | 211.47 mi (340.33 km) |
| Rouen to Peer | 225.26 mi (362.52 km) |
| Rouen to Pepinster | 223.82 mi (360.20 km) |
| Rouen to Peruwelz | 133.37 mi (214.64 km) |
| Rouen to Perwez | 184.40 mi (296.76 km) |
| Rouen to Philippeville | 162.91 mi (262.18 km) |