| San Miniato to Olympia Heights (Florida) | 5,069.09 mi (8,157.91 km) |
| San Miniato to Omaha (Nebraska) | 5,022.75 mi (8,083.34 km) |
| San Miniato to On Top of the World Designated Place (Florida) | 5,006.44 mi (8,057.08 km) |
| San Miniato to Onalaska (Wisconsin) | 4,718.25 mi (7,593.29 km) |
| San Miniato to Oneida (New York) | 4,127.98 mi (6,643.34 km) |
| San Miniato to Oneonta (New York) | 4,126.35 mi (6,640.71 km) |
| San Miniato to Ontario (California) | 6,163.28 mi (9,918.84 km) |
| San Miniato to Ontario (Oregon) | 5,577.76 mi (8,976.54 km) |
| San Miniato to Opa-locka (Florida) | 5,057.20 mi (8,138.77 km) |
| San Miniato to Opelika (Alabama) | 4,984.36 mi (8,021.56 km) |
| San Miniato to Opelousas (Louisiana) | 5,375.16 mi (8,650.49 km) |
| San Miniato to Orange (California) | 6,183.68 mi (9,951.68 km) |
| San Miniato to Orange (Texas) | 5,466.35 mi (8,797.24 km) |
| San Miniato to Orange City (Florida) | 4,968.36 mi (7,995.80 km) |
| San Miniato to Orangeburg (South Carolina) | 4,747.51 mi (7,640.37 km) |
