| Taranto to Olympia Heights (Florida) | 5,456.42 mi (8,781.27 km) |
| Taranto to Omaha (Nebraska) | 5,413.53 mi (8,712.24 km) |
| Taranto to On Top of the World Designated Place (Florida) | 5,398.31 mi (8,687.75 km) |
| Taranto to Onalaska (Wisconsin) | 5,109.55 mi (8,223.03 km) |
| Taranto to Oneida (New York) | 4,523.70 mi (7,280.19 km) |
| Taranto to Oneonta (New York) | 4,522.07 mi (7,277.57 km) |
| Taranto to Ontario (California) | 6,540.42 mi (10,525.79 km) |
| Taranto to Ontario (Oregon) | 5,942.57 mi (9,563.65 km) |
| Taranto to Opa-locka (Florida) | 5,444.66 mi (8,762.33 km) |
| Taranto to Opelika (Alabama) | 5,379.39 mi (8,657.29 km) |
| Taranto to Opelousas (Louisiana) | 5,770.82 mi (9,287.24 km) |
| Taranto to Orange (California) | 6,560.79 mi (10,558.57 km) |
| Taranto to Orange (Texas) | 5,862.07 mi (9,434.09 km) |
| Taranto to Orange City (Florida) | 5,359.51 mi (8,625.30 km) |
| Taranto to Orangeburg (South Carolina) | 5,141.56 mi (8,274.54 km) |
