| Mancha Real to Olympia Heights (Florida) | 4,461.32 mi (7,179.81 km) |
| Mancha Real to Omaha (Nebraska) | 4,680.42 mi (7,532.41 km) |
| Mancha Real to On Top of the World Designated Place (Florida) | 4,442.74 mi (7,149.91 km) |
| Mancha Real to Onalaska (Wisconsin) | 4,376.48 mi (7,043.26 km) |
| Mancha Real to Oneida (New York) | 3,688.80 mi (5,936.55 km) |
| Mancha Real to Oneonta (New York) | 3,675.62 mi (5,915.34 km) |
| Mancha Real to Ontario (California) | 5,914.56 mi (9,518.57 km) |
| Mancha Real to Ontario (Oregon) | 5,419.31 mi (8,721.54 km) |
| Mancha Real to Opa-locka (Florida) | 4,450.54 mi (7,162.44 km) |
| Mancha Real to Opelika (Alabama) | 4,476.40 mi (7,204.08 km) |
| Mancha Real to Opelousas (Louisiana) | 4,889.58 mi (7,869.01 km) |
| Mancha Real to Orange (California) | 5,934.73 mi (9,551.03 km) |
| Mancha Real to Orange (Texas) | 4,988.41 mi (8,028.07 km) |
| Mancha Real to Orange City (Florida) | 4,396.82 mi (7,076.00 km) |
| Mancha Real to Orangeburg (South Carolina) | 4,220.51 mi (6,792.26 km) |
