| Corvallis to Opwijk | 5,126.85 mi (8,250.87 km) |
| Corvallis to Ostend | 5,079.89 mi (8,175.29 km) |
| Corvallis to Oud-Heverlee | 5,146.65 mi (8,282.74 km) |
| Corvallis to Oud-Turnhout | 5,127.50 mi (8,251.91 km) |
| Corvallis to Oudenaarde | 5,118.36 mi (8,237.21 km) |
| Corvallis to Oudenburg | 5,084.33 mi (8,182.44 km) |
| Corvallis to Oupeye | 5,178.38 mi (8,333.80 km) |
| Corvallis to Overijse | 5,146.06 mi (8,281.79 km) |
| Corvallis to Overpelt | 5,143.98 mi (8,278.44 km) |
| Corvallis to Paal | 5,147.88 mi (8,284.71 km) |
| Corvallis to Peer | 5,149.64 mi (8,287.55 km) |
| Corvallis to Pepinster | 5,190.76 mi (8,353.72 km) |
| Corvallis to Peruwelz | 5,136.49 mi (8,266.38 km) |
| Corvallis to Perwez | 5,162.18 mi (8,307.73 km) |
| Corvallis to Philippeville | 5,179.22 mi (8,335.15 km) |
