| Orsta to Olympia Heights (Florida) | 4,546.86 mi (7,317.46 km) |
| Orsta to Omaha (Nebraska) | 4,102.50 mi (6,602.34 km) |
| Orsta to On Top of the World Designated Place (Florida) | 4,408.06 mi (7,094.09 km) |
| Orsta to Onalaska (Wisconsin) | 3,815.93 mi (6,141.15 km) |
| Orsta to Oneida (New York) | 3,402.77 mi (5,476.23 km) |
| Orsta to Oneonta (New York) | 3,418.52 mi (5,501.58 km) |
| Orsta to Ontario (California) | 5,092.83 mi (8,196.11 km) |
| Orsta to Ontario (Oregon) | 4,451.74 mi (7,164.38 km) |
| Orsta to Opa-locka (Florida) | 4,533.76 mi (7,296.38 km) |
| Orsta to Opelika (Alabama) | 4,294.67 mi (6,911.60 km) |
| Orsta to Opelousas (Louisiana) | 4,624.23 mi (7,441.97 km) |
| Orsta to Orange (California) | 5,112.70 mi (8,228.09 km) |
| Orsta to Orange (Texas) | 4,698.27 mi (7,561.14 km) |
| Orsta to Orange City (Florida) | 4,386.77 mi (7,059.83 km) |
| Orsta to Orangeburg (South Carolina) | 4,106.62 mi (6,608.97 km) |
