| Unye to Olympia Heights (Florida) | 6,333.54 mi (10,192.84 km) |
| Unye to Omaha (Nebraska) | 6,039.04 mi (9,718.89 km) |
| Unye to On Top of the World Designated Place (Florida) | 6,237.29 mi (10,037.95 km) |
| Unye to Onalaska (Wisconsin) | 5,749.41 mi (9,252.78 km) |
| Unye to Oneida (New York) | 5,280.15 mi (8,497.58 km) |
| Unye to Oneonta (New York) | 5,288.59 mi (8,511.17 km) |
| Unye to Ontario (California) | 7,003.10 mi (11,270.40 km) |
| Unye to Ontario (Oregon) | 6,339.74 mi (10,202.83 km) |
| Unye to Opa-locka (Florida) | 6,321.02 mi (10,172.71 km) |
| Unye to Opelika (Alabama) | 6,167.67 mi (9,925.90 km) |
| Unye to Opelousas (Louisiana) | 6,525.06 mi (10,501.08 km) |
| Unye to Orange (California) | 7,022.50 mi (11,301.62 km) |
| Unye to Orange (Texas) | 6,605.60 mi (10,630.69 km) |
| Unye to Orange City (Florida) | 6,206.47 mi (9,988.35 km) |
| Unye to Orangeburg (South Carolina) | 5,954.30 mi (9,582.52 km) |
