| Follonica to Olympia Heights (Florida) | 5,082.98 mi (8,180.27 km) |
| Follonica to Omaha (Nebraska) | 5,054.18 mi (8,133.92 km) |
| Follonica to On Top of the World Designated Place (Florida) | 5,023.75 mi (8,084.94 km) |
| Follonica to Onalaska (Wisconsin) | 4,749.35 mi (7,643.34 km) |
| Follonica to Oneida (New York) | 4,152.68 mi (6,683.09 km) |
| Follonica to Oneonta (New York) | 4,150.32 mi (6,679.30 km) |
| Follonica to Ontario (California) | 6,200.55 mi (9,978.83 km) |
| Follonica to Ontario (Oregon) | 5,618.40 mi (9,041.94 km) |
| Follonica to Opa-locka (Florida) | 5,071.17 mi (8,161.26 km) |
| Follonica to Opelika (Alabama) | 5,005.67 mi (8,055.85 km) |
| Follonica to Opelousas (Louisiana) | 5,398.42 mi (8,687.91 km) |
| Follonica to Orange (California) | 6,220.96 mi (10,011.68 km) |
| Follonica to Orange (Texas) | 5,490.20 mi (8,835.63 km) |
| Follonica to Orange City (Florida) | 4,985.03 mi (8,022.63 km) |
| Follonica to Orangeburg (South Carolina) | 4,767.21 mi (7,672.09 km) |
