| Moorpark to Olympia Heights (Florida) | 2,365.45 mi (3,806.82 km) |
| Moorpark to Omaha (Nebraska) | 1,331.52 mi (2,142.87 km) |
| Moorpark to On Top of the World Designated Place (Florida) | 2,168.83 mi (3,490.39 km) |
| Moorpark to Onalaska (Wisconsin) | 1,615.39 mi (2,599.72 km) |
| Moorpark to Oneida (New York) | 2,380.57 mi (3,831.16 km) |
| Moorpark to Oneonta (New York) | 2,411.28 mi (3,880.58 km) |
| Moorpark to Ontario (California) | 74.60 mi (120.06 km) |
| Moorpark to Ontario (Oregon) | 680.56 mi (1,095.26 km) |
| Moorpark to Opa-locka (Florida) | 2,365.34 mi (3,806.65 km) |
| Moorpark to Opelika (Alabama) | 1,925.28 mi (3,098.44 km) |
| Moorpark to Opelousas (Louisiana) | 1,579.81 mi (2,542.45 km) |
| Moorpark to Orange (California) | 68.98 mi (111.02 km) |
| Moorpark to Orange (Texas) | 1,492.27 mi (2,401.58 km) |
| Moorpark to Orange City (Florida) | 2,229.70 mi (3,588.35 km) |
| Moorpark to Orangeburg (South Carolina) | 2,167.92 mi (3,488.93 km) |
