| Lice to Olympia Heights (Florida) | 6,588.54 mi (10,603.22 km) |
| Lice to Omaha (Nebraska) | 6,291.03 mi (10,124.44 km) |
| Lice to On Top of the World Designated Place (Florida) | 6,494.01 mi (10,451.10 km) |
| Lice to Onalaska (Wisconsin) | 6,002.67 mi (9,660.36 km) |
| Lice to Oneida (New York) | 5,537.57 mi (8,911.86 km) |
| Lice to Oneonta (New York) | 5,546.07 mi (8,925.53 km) |
| Lice to Ontario (California) | 7,237.97 mi (11,648.39 km) |
| Lice to Ontario (Oregon) | 6,569.41 mi (10,572.45 km) |
| Lice to Opa-locka (Florida) | 6,576.06 mi (10,583.15 km) |
| Lice to Opelika (Alabama) | 6,425.15 mi (10,340.28 km) |
| Lice to Opelousas (Louisiana) | 6,782.16 mi (10,914.83 km) |
| Lice to Orange (California) | 7,257.19 mi (11,679.32 km) |
| Lice to Orange (Texas) | 6,862.42 mi (11,044.00 km) |
| Lice to Orange City (Florida) | 6,462.90 mi (10,401.03 km) |
| Lice to Orangeburg (South Carolina) | 6,211.55 mi (9,996.52 km) |
