| Garfield Heights to Olympia Heights (Florida) | 1,086.89 mi (1,749.18 km) |
| Garfield Heights to Omaha (Nebraska) | 748.75 mi (1,204.99 km) |
| Garfield Heights to On Top of the World Designated Place (Florida) | 851.68 mi (1,370.65 km) |
| Garfield Heights to Onalaska (Wisconsin) | 516.58 mi (831.36 km) |
| Garfield Heights to Oneida (New York) | 324.64 mi (522.46 km) |
| Garfield Heights to Oneonta (New York) | 343.42 mi (552.69 km) |
| Garfield Heights to Ontario (California) | 2,016.71 mi (3,245.58 km) |
| Garfield Heights to Ontario (Oregon) | 1,790.61 mi (2,881.71 km) |
| Garfield Heights to Opa-locka (Florida) | 1,075.10 mi (1,730.21 km) |
| Garfield Heights to Opelika (Alabama) | 639.76 mi (1,029.60 km) |
| Garfield Heights to Opelousas (Louisiana) | 952.31 mi (1,532.59 km) |
| Garfield Heights to Orange (California) | 2,034.86 mi (3,274.79 km) |
| Garfield Heights to Orange (Texas) | 1,034.06 mi (1,664.16 km) |
| Garfield Heights to Orange City (Florida) | 862.82 mi (1,388.57 km) |
| Garfield Heights to Orangeburg (South Carolina) | 549.19 mi (883.84 km) |
