| Villanueva de la Serena to Olympia Heights (Florida) | 4,327.54 mi (6,964.51 km) |
| Villanueva de la Serena to Omaha (Nebraska) | 4,536.59 mi (7,300.94 km) |
| Villanueva de la Serena to On Top of the World Designated Place (Florida) | 4,305.43 mi (6,928.92 km) |
| Villanueva de la Serena to Onalaska (Wisconsin) | 4,232.67 mi (6,811.83 km) |
| Villanueva de la Serena to Oneida (New York) | 3,545.57 mi (5,706.05 km) |
| Villanueva de la Serena to Oneonta (New York) | 3,532.62 mi (5,685.21 km) |
| Villanueva de la Serena to Ontario (California) | 5,771.37 mi (9,288.12 km) |
| Villanueva de la Serena to Ontario (Oregon) | 5,278.88 mi (8,495.53 km) |
| Villanueva de la Serena to Opa-locka (Florida) | 4,316.64 mi (6,946.96 km) |
| Villanueva de la Serena to Opelika (Alabama) | 4,335.92 mi (6,977.99 km) |
| Villanueva de la Serena to Opelousas (Louisiana) | 4,748.42 mi (7,641.84 km) |
| Villanueva de la Serena to Orange (California) | 5,791.53 mi (9,320.56 km) |
| Villanueva de la Serena to Orange (Texas) | 4,847.02 mi (7,800.52 km) |
| Villanueva de la Serena to Orange City (Florida) | 4,260.01 mi (6,855.83 km) |
| Villanueva de la Serena to Orangeburg (South Carolina) | 4,080.76 mi (6,567.34 km) |
