| Huedin to Olympia Heights (Florida) | 5,524.63 mi (8,891.03 km) |
| Huedin to Omaha (Nebraska) | 5,293.47 mi (8,519.01 km) |
| Huedin to On Top of the World Designated Place (Florida) | 5,432.54 mi (8,742.83 km) |
| Huedin to Onalaska (Wisconsin) | 4,996.93 mi (8,041.79 km) |
| Huedin to Oneida (New York) | 4,489.51 mi (7,225.17 km) |
| Huedin to Oneonta (New York) | 4,495.58 mi (7,234.93 km) |
| Huedin to Ontario (California) | 6,335.10 mi (10,195.37 km) |
| Huedin to Ontario (Oregon) | 5,699.87 mi (9,173.06 km) |
| Huedin to Opa-locka (Florida) | 5,512.16 mi (8,870.97 km) |
| Huedin to Opelika (Alabama) | 5,372.26 mi (8,645.81 km) |
| Huedin to Opelousas (Louisiana) | 5,739.17 mi (9,236.31 km) |
| Huedin to Orange (California) | 6,355.12 mi (10,227.57 km) |
| Huedin to Orange (Texas) | 5,822.97 mi (9,371.16 km) |
| Huedin to Orange City (Florida) | 5,400.56 mi (8,691.36 km) |
| Huedin to Orangeburg (South Carolina) | 5,153.38 mi (8,293.57 km) |
