| Valdemorillo to Olympia Heights (Florida) | 4,395.11 mi (7,073.25 km) |
| Valdemorillo to Omaha (Nebraska) | 4,552.41 mi (7,326.40 km) |
| Valdemorillo to On Top of the World Designated Place (Florida) | 4,363.70 mi (7,022.70 km) |
| Valdemorillo to Onalaska (Wisconsin) | 4,247.32 mi (6,835.40 km) |
| Valdemorillo to Oneida (New York) | 3,576.39 mi (5,755.65 km) |
| Valdemorillo to Oneonta (New York) | 3,565.70 mi (5,738.44 km) |
| Valdemorillo to Ontario (California) | 5,774.49 mi (9,293.15 km) |
| Valdemorillo to Ontario (Oregon) | 5,264.88 mi (8,473.00 km) |
| Valdemorillo to Opa-locka (Florida) | 4,383.96 mi (7,055.30 km) |
| Valdemorillo to Opelika (Alabama) | 4,382.91 mi (7,053.62 km) |
| Valdemorillo to Opelousas (Louisiana) | 4,792.01 mi (7,711.99 km) |
| Valdemorillo to Orange (California) | 5,794.75 mi (9,325.76 km) |
| Valdemorillo to Orange (Texas) | 4,889.36 mi (7,868.66 km) |
| Valdemorillo to Orange City (Florida) | 4,319.82 mi (6,952.09 km) |
| Valdemorillo to Orangeburg (South Carolina) | 4,130.96 mi (6,648.14 km) |
