| Cedar Mill to Olympia Heights (Florida) | 2,706.19 mi (4,355.19 km) |
| Cedar Mill to Omaha (Nebraska) | 1,368.06 mi (2,201.68 km) |
| Cedar Mill to On Top of the World Designated Place (Florida) | 2,464.24 mi (3,965.82 km) |
| Cedar Mill to Onalaska (Wisconsin) | 1,545.39 mi (2,487.07 km) |
| Cedar Mill to Oneida (New York) | 2,303.24 mi (3,706.71 km) |
| Cedar Mill to Oneonta (New York) | 2,347.04 mi (3,777.20 km) |
| Cedar Mill to Ontario (California) | 840.34 mi (1,352.40 km) |
| Cedar Mill to Ontario (Oregon) | 304.01 mi (489.26 km) |
| Cedar Mill to Opa-locka (Florida) | 2,702.06 mi (4,348.55 km) |
| Cedar Mill to Opelika (Alabama) | 2,170.08 mi (3,492.41 km) |
| Cedar Mill to Opelousas (Louisiana) | 1,949.18 mi (3,136.90 km) |
| Cedar Mill to Orange (California) | 852.28 mi (1,371.62 km) |
| Cedar Mill to Orange (Texas) | 1,892.72 mi (3,046.03 km) |
| Cedar Mill to Orange City (Florida) | 2,518.73 mi (4,053.51 km) |
| Cedar Mill to Orangeburg (South Carolina) | 2,353.67 mi (3,787.87 km) |
