| Oviedo to Olympia Heights (Florida) | 4,267.45 mi (6,867.80 km) |
| Oviedo to Omaha (Nebraska) | 4,366.93 mi (7,027.89 km) |
| Oviedo to On Top of the World Designated Place (Florida) | 4,223.36 mi (6,796.84 km) |
| Oviedo to Onalaska (Wisconsin) | 4,061.24 mi (6,535.93 km) |
| Oviedo to Oneida (New York) | 3,406.05 mi (5,481.50 km) |
| Oviedo to Oneonta (New York) | 3,397.67 mi (5,468.02 km) |
| Oviedo to Ontario (California) | 5,578.42 mi (8,977.60 km) |
| Oviedo to Ontario (Oregon) | 5,058.99 mi (8,141.66 km) |
| Oviedo to Opa-locka (Florida) | 4,255.96 mi (6,849.30 km) |
| Oviedo to Opelika (Alabama) | 4,228.59 mi (6,805.26 km) |
| Oviedo to Opelousas (Louisiana) | 4,633.11 mi (7,456.27 km) |
| Oviedo to Orange (California) | 5,598.74 mi (9,010.30 km) |
| Oviedo to Orange (Texas) | 4,728.92 mi (7,610.47 km) |
| Oviedo to Orange City (Florida) | 4,181.59 mi (6,729.63 km) |
| Oviedo to Orangeburg (South Carolina) | 3,980.93 mi (6,406.68 km) |
