| Hisarcik to Olympia Heights (Florida) | 6,056.32 mi (9,746.71 km) |
| Hisarcik to Omaha (Nebraska) | 5,897.27 mi (9,490.74 km) |
| Hisarcik to On Top of the World Designated Place (Florida) | 5,982.37 mi (9,627.70 km) |
| Hisarcik to Onalaska (Wisconsin) | 5,598.79 mi (9,010.38 km) |
| Hisarcik to Oneida (New York) | 5,067.12 mi (8,154.74 km) |
| Hisarcik to Oneonta (New York) | 5,070.26 mi (8,159.79 km) |
| Hisarcik to Ontario (California) | 6,947.06 mi (11,180.22 km) |
| Hisarcik to Ontario (Oregon) | 6,309.55 mi (10,154.24 km) |
| Hisarcik to Opa-locka (Florida) | 6,044.23 mi (9,727.25 km) |
| Hisarcik to Opelika (Alabama) | 5,941.17 mi (9,561.39 km) |
| Hisarcik to Opelousas (Louisiana) | 6,318.66 mi (10,168.90 km) |
| Hisarcik to Orange (California) | 6,967.06 mi (11,212.40 km) |
| Hisarcik to Orange (Texas) | 6,405.35 mi (10,308.42 km) |
| Hisarcik to Orange City (Florida) | 5,946.82 mi (9,570.48 km) |
| Hisarcik to Orangeburg (South Carolina) | 5,713.39 mi (9,194.81 km) |
