| Fernley to Olympia Heights (Florida) | 2,430.85 mi (3,912.08 km) |
| Fernley to Omaha (Nebraska) | 1,219.23 mi (1,962.17 km) |
| Fernley to On Top of the World Designated Place (Florida) | 2,208.09 mi (3,553.58 km) |
| Fernley to Onalaska (Wisconsin) | 1,466.20 mi (2,359.62 km) |
| Fernley to Oneida (New York) | 2,246.34 mi (3,615.14 km) |
| Fernley to Oneonta (New York) | 2,283.27 mi (3,674.56 km) |
| Fernley to Ontario (California) | 391.54 mi (630.13 km) |
| Fernley to Ontario (Oregon) | 328.77 mi (529.10 km) |
| Fernley to Opa-locka (Florida) | 2,428.65 mi (3,908.54 km) |
| Fernley to Opelika (Alabama) | 1,934.40 mi (3,113.12 km) |
| Fernley to Opelousas (Louisiana) | 1,647.65 mi (2,651.63 km) |
| Fernley to Orange (California) | 405.05 mi (651.86 km) |
| Fernley to Orange (Texas) | 1,575.46 mi (2,535.45 km) |
| Fernley to Orange City (Florida) | 2,266.57 mi (3,647.70 km) |
| Fernley to Orangeburg (South Carolina) | 2,151.93 mi (3,463.20 km) |
