| Orsova to Orangevale (California) | 6,244.53 mi (10,049.60 km) |
| Orsova to Orchards (Washington) | 5,832.39 mi (9,386.33 km) |
| Orsova to Orcutt (California) | 6,464.47 mi (10,403.56 km) |
| Orsova to Oregon (Ohio) | 4,916.81 mi (7,912.85 km) |
| Orsova to Oregon (Wisconsin) | 5,069.43 mi (8,158.46 km) |
| Orsova to Oregon City (Oregon) | 5,855.50 mi (9,423.52 km) |
| Orsova to Orem (Utah) | 5,909.06 mi (9,509.71 km) |
| Orsova to Orinda (California) | 6,316.88 mi (10,166.04 km) |
| Orsova to Orland Park (Illinois) | 5,081.15 mi (8,177.32 km) |
| Orsova to Orlando (Florida) | 5,472.62 mi (8,807.33 km) |
| Orsova to Ormond Beach (Florida) | 5,422.28 mi (8,726.32 km) |
| Orsova to Oro Valley (Arizona) | 6,355.36 mi (10,227.96 km) |
| Orsova to Oroville (California) | 6,201.33 mi (9,980.07 km) |
| Orsova to Oshkosh (Wisconsin) | 4,986.02 mi (8,024.22 km) |
| Orsova to Oskaloosa (Iowa) | 5,265.20 mi (8,473.52 km) |
