| Valreas to Olympia Heights (Florida) | 4,777.38 mi (7,688.44 km) |
| Valreas to Omaha (Nebraska) | 4,767.28 mi (7,672.20 km) |
| Valreas to On Top of the World Designated Place (Florida) | 4,718.41 mi (7,593.54 km) |
| Valreas to Onalaska (Wisconsin) | 4,461.82 mi (7,180.60 km) |
| Valreas to Oneida (New York) | 3,853.37 mi (6,201.40 km) |
| Valreas to Oneonta (New York) | 3,850.08 mi (6,196.11 km) |
| Valreas to Ontario (California) | 5,931.15 mi (9,545.26 km) |
| Valreas to Ontario (Oregon) | 5,364.34 mi (8,633.08 km) |
| Valreas to Opa-locka (Florida) | 4,765.55 mi (7,669.42 km) |
| Valreas to Opelika (Alabama) | 4,702.53 mi (7,568.00 km) |
| Valreas to Opelousas (Louisiana) | 5,097.07 mi (8,202.95 km) |
| Valreas to Orange (California) | 5,951.57 mi (9,578.13 km) |
| Valreas to Orange (Texas) | 5,189.52 mi (8,351.73 km) |
| Valreas to Orange City (Florida) | 4,679.53 mi (7,530.98 km) |
| Valreas to Orangeburg (South Carolina) | 4,462.96 mi (7,182.44 km) |
