| Nocera Superiore to Olympia Heights (Florida) | 5,325.46 mi (8,570.49 km) |
| Nocera Superiore to Omaha (Nebraska) | 5,304.20 mi (8,536.28 km) |
| Nocera Superiore to On Top of the World Designated Place (Florida) | 5,270.09 mi (8,481.40 km) |
| Nocera Superiore to Onalaska (Wisconsin) | 4,999.55 mi (8,045.99 km) |
| Nocera Superiore to Oneida (New York) | 4,403.69 mi (7,087.06 km) |
| Nocera Superiore to Oneonta (New York) | 4,401.14 mi (7,082.95 km) |
| Nocera Superiore to Ontario (California) | 6,444.33 mi (10,371.15 km) |
| Nocera Superiore to Ontario (Oregon) | 5,855.48 mi (9,423.48 km) |
| Nocera Superiore to Opa-locka (Florida) | 5,313.75 mi (8,551.65 km) |
| Nocera Superiore to Opelika (Alabama) | 5,255.20 mi (8,457.42 km) |
| Nocera Superiore to Opelousas (Louisiana) | 5,648.91 mi (9,091.05 km) |
| Nocera Superiore to Orange (California) | 6,464.73 mi (10,403.97 km) |
| Nocera Superiore to Orange (Texas) | 5,740.93 mi (9,239.13 km) |
| Nocera Superiore to Orange City (Florida) | 5,230.74 mi (8,418.06 km) |
| Nocera Superiore to Orangeburg (South Carolina) | 5,015.67 mi (8,071.95 km) |
