| Ornskoldsvik to Olympia Heights (Florida) | 4,912.18 mi (7,905.39 km) |
| Ornskoldsvik to Omaha (Nebraska) | 4,381.24 mi (7,050.93 km) |
| Ornskoldsvik to On Top of the World Designated Place (Florida) | 4,762.32 mi (7,664.21 km) |
| Ornskoldsvik to Onalaska (Wisconsin) | 4,104.77 mi (6,606.00 km) |
| Ornskoldsvik to Oneida (New York) | 3,744.43 mi (6,026.08 km) |
| Ornskoldsvik to Oneonta (New York) | 3,763.59 mi (6,056.91 km) |
| Ornskoldsvik to Ontario (California) | 5,296.94 mi (8,524.61 km) |
| Ornskoldsvik to Ontario (Oregon) | 4,634.26 mi (7,458.11 km) |
| Ornskoldsvik to Opa-locka (Florida) | 4,899.02 mi (7,884.21 km) |
| Ornskoldsvik to Opelika (Alabama) | 4,632.60 mi (7,455.44 km) |
| Ornskoldsvik to Opelousas (Louisiana) | 4,944.56 mi (7,957.50 km) |
| Ornskoldsvik to Orange (California) | 5,316.30 mi (8,555.76 km) |
| Ornskoldsvik to Orange (Texas) | 5,013.53 mi (8,068.49 km) |
| Ornskoldsvik to Orange City (Florida) | 4,744.12 mi (7,634.93 km) |
| Ornskoldsvik to Orangeburg (South Carolina) | 4,456.34 mi (7,171.78 km) |
