| Valkeakoski to Olympia Heights (Florida) | 5,123.39 mi (8,245.29 km) |
| Valkeakoski to Omaha (Nebraska) | 4,601.60 mi (7,405.55 km) |
| Valkeakoski to On Top of the World Designated Place (Florida) | 4,976.86 mi (8,009.49 km) |
| Valkeakoski to Onalaska (Wisconsin) | 4,325.45 mi (6,961.14 km) |
| Valkeakoski to Oneida (New York) | 3,961.38 mi (6,375.22 km) |
| Valkeakoski to Oneonta (New York) | 3,979.90 mi (6,405.03 km) |
| Valkeakoski to Ontario (California) | 5,508.07 mi (8,864.38 km) |
| Valkeakoski to Ontario (Oregon) | 4,841.90 mi (7,792.29 km) |
| Valkeakoski to Opa-locka (Florida) | 5,110.24 mi (8,224.14 km) |
| Valkeakoski to Opelika (Alabama) | 4,850.43 mi (7,806.01 km) |
| Valkeakoski to Opelousas (Louisiana) | 5,164.45 mi (8,311.38 km) |
| Valkeakoski to Orange (California) | 5,527.31 mi (8,895.35 km) |
| Valkeakoski to Orange (Texas) | 5,233.76 mi (8,422.93 km) |
| Valkeakoski to Orange City (Florida) | 4,957.83 mi (7,978.86 km) |
| Valkeakoski to Orangeburg (South Carolina) | 4,671.89 mi (7,518.68 km) |
