| Petrosani to Orangevale (California) | 6,224.15 mi (10,016.80 km) |
| Petrosani to Orchards (Washington) | 5,807.87 mi (9,346.86 km) |
| Petrosani to Orcutt (California) | 6,446.55 mi (10,374.72 km) |
| Petrosani to Oregon (Ohio) | 4,921.95 mi (7,921.11 km) |
| Petrosani to Oregon (Wisconsin) | 5,069.60 mi (8,158.73 km) |
| Petrosani to Oregon City (Oregon) | 5,831.08 mi (9,384.22 km) |
| Petrosani to Orem (Utah) | 5,895.25 mi (9,487.49 km) |
| Petrosani to Orinda (California) | 6,296.11 mi (10,132.61 km) |
| Petrosani to Orland Park (Illinois) | 5,083.43 mi (8,180.99 km) |
| Petrosani to Orlando (Florida) | 5,490.32 mi (8,835.82 km) |
| Petrosani to Ormond Beach (Florida) | 5,439.49 mi (8,754.01 km) |
| Petrosani to Oro Valley (Arizona) | 6,346.75 mi (10,214.11 km) |
| Petrosani to Oroville (California) | 6,180.31 mi (9,946.24 km) |
| Petrosani to Oshkosh (Wisconsin) | 4,985.79 mi (8,023.86 km) |
| Petrosani to Oskaloosa (Iowa) | 5,264.51 mi (8,472.41 km) |
