| Corvallis to Nasaud | 5,793.25 mi (9,323.34 km) |
| Corvallis to Navodari | 6,057.00 mi (9,747.81 km) |
| Corvallis to Negresti-Oas | 5,738.15 mi (9,234.66 km) |
| Corvallis to Nehoiu | 5,950.74 mi (9,576.80 km) |
| Corvallis to Ocna Mures | 5,840.23 mi (9,398.95 km) |
| Corvallis to Odobesti | 5,937.23 mi (9,555.04 km) |
| Corvallis to Odorheiu Secuiesc | 5,871.26 mi (9,448.88 km) |
| Corvallis to Oltenita | 6,038.25 mi (9,717.62 km) |
| Corvallis to Onesti | 5,900.38 mi (9,495.75 km) |
| Corvallis to Oradea | 5,760.39 mi (9,270.45 km) |
| Corvallis to Orastie | 5,862.18 mi (9,434.27 km) |
| Corvallis to Oravita | 5,883.81 mi (9,469.08 km) |
| Corvallis to Orsova | 5,917.85 mi (9,523.86 km) |
| Corvallis to Otelu Rosu | 5,866.84 mi (9,441.77 km) |
| Corvallis to Otopeni | 5,998.29 mi (9,653.31 km) |
