| Termini Imerese to Olympia Heights (Florida) | 5,352.02 mi (8,613.25 km) |
| Termini Imerese to Omaha (Nebraska) | 5,398.43 mi (8,687.94 km) |
| Termini Imerese to On Top of the World Designated Place (Florida) | 5,309.68 mi (8,545.10 km) |
| Termini Imerese to Onalaska (Wisconsin) | 5,092.80 mi (8,196.06 km) |
| Termini Imerese to Oneida (New York) | 4,473.06 mi (7,198.69 km) |
| Termini Imerese to Oneonta (New York) | 4,467.78 mi (7,190.20 km) |
| Termini Imerese to Ontario (California) | 6,561.78 mi (10,560.16 km) |
| Termini Imerese to Ontario (Oregon) | 5,987.34 mi (9,635.70 km) |
| Termini Imerese to Opa-locka (Florida) | 5,340.64 mi (8,594.92 km) |
| Termini Imerese to Opelika (Alabama) | 5,310.04 mi (8,545.68 km) |
| Termini Imerese to Opelousas (Louisiana) | 5,710.55 mi (9,190.24 km) |
| Termini Imerese to Orange (California) | 6,582.20 mi (10,593.04 km) |
| Termini Imerese to Orange (Texas) | 5,804.76 mi (9,341.86 km) |
| Termini Imerese to Orange City (Florida) | 5,267.99 mi (8,478.01 km) |
| Termini Imerese to Orangeburg (South Carolina) | 5,064.89 mi (8,151.15 km) |
