| Los Angeles to Olympia Heights (Florida) | 2,337.84 mi (3,762.38 km) |
| Los Angeles to Omaha (Nebraska) | 1,313.50 mi (2,113.87 km) |
| Los Angeles to On Top of the World Designated Place (Florida) | 2,142.13 mi (3,447.42 km) |
| Los Angeles to Onalaska (Wisconsin) | 1,599.25 mi (2,573.74 km) |
| Los Angeles to Oneida (New York) | 2,362.42 mi (3,801.95 km) |
| Los Angeles to Oneonta (New York) | 2,392.70 mi (3,850.68 km) |
| Los Angeles to Ontario (California) | 46.10 mi (74.19 km) |
| Los Angeles to Ontario (Oregon) | 689.09 mi (1,108.99 km) |
| Los Angeles to Opa-locka (Florida) | 2,337.79 mi (3,762.31 km) |
| Los Angeles to Opelika (Alabama) | 1,899.88 mi (3,057.56 km) |
| Los Angeles to Opelousas (Louisiana) | 1,552.56 mi (2,498.61 km) |
| Los Angeles to Orange (California) | 39.79 mi (64.04 km) |
| Los Angeles to Orange (Texas) | 1,464.63 mi (2,357.10 km) |
| Los Angeles to Orange City (Florida) | 2,203.05 mi (3,545.46 km) |
| Los Angeles to Orangeburg (South Carolina) | 2,143.40 mi (3,449.47 km) |
