| Harran to Olympia Heights (Florida) | 6,586.99 mi (10,600.74 km) |
| Harran to Omaha (Nebraska) | 6,337.49 mi (10,199.21 km) |
| Harran to On Top of the World Designated Place (Florida) | 6,501.25 mi (10,462.75 km) |
| Harran to Onalaska (Wisconsin) | 6,045.84 mi (9,729.84 km) |
| Harran to Oneida (New York) | 5,559.24 mi (8,946.74 km) |
| Harran to Oneonta (New York) | 5,565.88 mi (8,957.42 km) |
| Harran to Ontario (California) | 7,311.69 mi (11,767.03 km) |
| Harran to Ontario (Oregon) | 6,648.73 mi (10,700.09 km) |
| Harran to Opa-locka (Florida) | 6,574.68 mi (10,580.92 km) |
| Harran to Opelika (Alabama) | 6,443.02 mi (10,369.04 km) |
| Harran to Opelousas (Louisiana) | 6,807.70 mi (10,955.93 km) |
| Harran to Orange (California) | 7,331.12 mi (11,798.29 km) |
| Harran to Orange (Texas) | 6,890.24 mi (11,088.78 km) |
| Harran to Orange City (Florida) | 6,468.27 mi (10,409.68 km) |
| Harran to Orangeburg (South Carolina) | 6,223.87 mi (10,016.36 km) |
