| Huercal de Almeria to Olympia Heights (Florida) | 4,539.56 mi (7,305.72 km) |
| Huercal de Almeria to Omaha (Nebraska) | 4,769.54 mi (7,675.83 km) |
| Huercal de Almeria to On Top of the World Designated Place (Florida) | 4,524.01 mi (7,280.68 km) |
| Huercal de Almeria to Onalaska (Wisconsin) | 4,465.71 mi (7,186.86 km) |
| Huercal de Almeria to Oneida (New York) | 3,776.29 mi (6,077.35 km) |
| Huercal de Almeria to Oneonta (New York) | 3,762.76 mi (6,055.59 km) |
| Huercal de Almeria to Ontario (California) | 6,004.39 mi (9,663.13 km) |
| Huercal de Almeria to Ontario (Oregon) | 5,509.03 mi (8,865.93 km) |
| Huercal de Almeria to Opa-locka (Florida) | 4,528.87 mi (7,288.50 km) |
| Huercal de Almeria to Opelika (Alabama) | 4,560.64 mi (7,339.64 km) |
| Huercal de Almeria to Opelousas (Louisiana) | 4,974.48 mi (8,005.65 km) |
| Huercal de Almeria to Orange (California) | 6,024.55 mi (9,695.58 km) |
| Huercal de Almeria to Orange (Texas) | 5,073.56 mi (8,165.10 km) |
| Huercal de Almeria to Orange City (Florida) | 4,477.64 mi (7,206.07 km) |
| Huercal de Almeria to Orangeburg (South Carolina) | 4,304.05 mi (6,926.70 km) |
