| Huetor Vega to Olympia Heights (Florida) | 4,474.41 mi (7,200.87 km) |
| Huetor Vega to Omaha (Nebraska) | 4,708.22 mi (7,577.15 km) |
| Huetor Vega to On Top of the World Designated Place (Florida) | 4,458.87 mi (7,175.86 km) |
| Huetor Vega to Onalaska (Wisconsin) | 4,404.63 mi (7,088.56 km) |
| Huetor Vega to Oneida (New York) | 3,713.12 mi (5,975.69 km) |
| Huetor Vega to Oneonta (New York) | 3,699.35 mi (5,953.53 km) |
| Huetor Vega to Ontario (California) | 5,945.10 mi (9,567.72 km) |
| Huetor Vega to Ontario (Oregon) | 5,453.52 mi (8,776.60 km) |
| Huetor Vega to Opa-locka (Florida) | 4,463.71 mi (7,183.65 km) |
| Huetor Vega to Opelika (Alabama) | 4,495.96 mi (7,235.54 km) |
| Huetor Vega to Opelousas (Louisiana) | 4,909.98 mi (7,901.85 km) |
| Huetor Vega to Orange (California) | 5,965.24 mi (9,600.13 km) |
| Huetor Vega to Orange (Texas) | 5,009.14 mi (8,061.43 km) |
| Huetor Vega to Orange City (Florida) | 4,412.48 mi (7,101.20 km) |
| Huetor Vega to Orangeburg (South Carolina) | 4,239.21 mi (6,822.35 km) |
