| Oregon City to Opwijk | 5,063.86 mi (8,149.49 km) |
| Oregon City to Ostend | 5,016.89 mi (8,073.91 km) |
| Oregon City to Oud-Heverlee | 5,083.66 mi (8,181.37 km) |
| Oregon City to Oud-Turnhout | 5,064.52 mi (8,150.56 km) |
| Oregon City to Oudenaarde | 5,055.37 mi (8,135.83 km) |
| Oregon City to Oudenburg | 5,021.34 mi (8,081.06 km) |
| Oregon City to Oupeye | 5,115.40 mi (8,232.44 km) |
| Oregon City to Overijse | 5,083.07 mi (8,180.41 km) |
| Oregon City to Overpelt | 5,081.01 mi (8,177.09 km) |
| Oregon City to Paal | 5,084.90 mi (8,183.35 km) |
| Oregon City to Peer | 5,086.66 mi (8,186.20 km) |
| Oregon City to Pepinster | 5,127.78 mi (8,252.36 km) |
| Oregon City to Peruwelz | 5,073.49 mi (8,164.99 km) |
| Oregon City to Perwez | 5,099.19 mi (8,206.36 km) |
| Oregon City to Philippeville | 5,116.23 mi (8,233.77 km) |
