| Sile to Olympia Heights (Florida) | 6,003.02 mi (9,660.93 km) |
| Sile to Omaha (Nebraska) | 5,804.65 mi (9,341.69 km) |
| Sile to On Top of the World Designated Place (Florida) | 5,921.34 mi (9,529.48 km) |
| Sile to Onalaska (Wisconsin) | 5,507.96 mi (8,864.20 km) |
| Sile to Oneida (New York) | 4,992.19 mi (8,034.16 km) |
| Sile to Oneonta (New York) | 4,996.89 mi (8,041.71 km) |
| Sile to Ontario (California) | 6,837.91 mi (11,004.55 km) |
| Sile to Ontario (Oregon) | 6,195.43 mi (9,970.59 km) |
| Sile to Opa-locka (Florida) | 5,990.77 mi (9,641.21 km) |
| Sile to Opelika (Alabama) | 5,871.12 mi (9,448.66 km) |
| Sile to Opelousas (Louisiana) | 6,243.11 mi (10,047.32 km) |
| Sile to Orange (California) | 6,857.82 mi (11,036.59 km) |
| Sile to Orange (Texas) | 6,328.16 mi (10,184.19 km) |
| Sile to Orange City (Florida) | 5,887.34 mi (9,474.75 km) |
| Sile to Orangeburg (South Carolina) | 5,647.57 mi (9,088.89 km) |
