| Oroville to Nasaud | 6,085.64 mi (9,793.89 km) |
| Oroville to Navodari | 6,355.09 mi (10,227.54 km) |
| Oroville to Negresti-Oas | 6,029.19 mi (9,703.04 km) |
| Oroville to Nehoiu | 6,244.74 mi (10,049.94 km) |
| Oroville to Ocna Mures | 6,129.97 mi (9,865.24 km) |
| Oroville to Odobesti | 6,233.59 mi (10,031.99 km) |
| Oroville to Odorheiu Secuiesc | 6,164.28 mi (9,920.45 km) |
| Oroville to Oltenita | 6,331.26 mi (10,189.17 km) |
| Oroville to Onesti | 6,196.73 mi (9,972.67 km) |
| Oroville to Oradea | 6,046.64 mi (9,731.13 km) |
| Oroville to Orastie | 6,149.49 mi (9,896.64 km) |
| Oroville to Oravita | 6,166.05 mi (9,923.29 km) |
| Oroville to Orsova | 6,201.33 mi (9,980.07 km) |
| Oroville to Otelu Rosu | 6,151.54 mi (9,899.94 km) |
| Oroville to Otopeni | 6,290.57 mi (10,123.70 km) |
