| Hialeah Gardens to Olympia Heights (Florida) | 11.37 mi (18.30 km) |
| Hialeah Gardens to Omaha (Nebraska) | 1,389.93 mi (2,236.87 km) |
| Hialeah Gardens to On Top of the World Designated Place (Florida) | 251.83 mi (405.28 km) |
| Hialeah Gardens to Onalaska (Wisconsin) | 1,384.53 mi (2,228.19 km) |
| Hialeah Gardens to Oneida (New York) | 1,216.84 mi (1,958.31 km) |
| Hialeah Gardens to Oneonta (New York) | 1,183.31 mi (1,904.36 km) |
| Hialeah Gardens to Ontario (California) | 2,286.25 mi (3,679.37 km) |
| Hialeah Gardens to Ontario (Oregon) | 2,394.17 mi (3,853.04 km) |
| Hialeah Gardens to Opa-locka (Florida) | 6.38 mi (10.27 km) |
| Hialeah Gardens to Opelika (Alabama) | 557.08 mi (896.53 km) |
| Hialeah Gardens to Opelousas (Louisiana) | 781.92 mi (1,258.38 km) |
| Hialeah Gardens to Orange (California) | 2,297.48 mi (3,697.44 km) |
| Hialeah Gardens to Orange (Texas) | 867.73 mi (1,396.48 km) |
| Hialeah Gardens to Orange City (Florida) | 218.13 mi (351.05 km) |
| Hialeah Gardens to Orangeburg (South Carolina) | 526.34 mi (847.07 km) |
