| Libertyville to Olympia Heights (Florida) | 1,223.64 mi (1,969.25 km) |
| Libertyville to Omaha (Nebraska) | 422.45 mi (679.86 km) |
| Libertyville to On Top of the World Designated Place (Florida) | 964.29 mi (1,551.87 km) |
| Libertyville to Onalaska (Wisconsin) | 197.40 mi (317.69 km) |
| Libertyville to Oneida (New York) | 626.80 mi (1,008.74 km) |
| Libertyville to Oneonta (New York) | 657.98 mi (1,058.92 km) |
| Libertyville to Ontario (California) | 1,697.70 mi (2,732.18 km) |
| Libertyville to Ontario (Oregon) | 1,459.49 mi (2,348.82 km) |
| Libertyville to Opa-locka (Florida) | 1,213.86 mi (1,953.51 km) |
| Libertyville to Opelika (Alabama) | 679.98 mi (1,094.32 km) |
| Libertyville to Opelousas (Louisiana) | 843.97 mi (1,358.23 km) |
| Libertyville to Orange (California) | 1,716.33 mi (2,762.16 km) |
| Libertyville to Orange (Texas) | 899.82 mi (1,448.13 km) |
| Libertyville to Orange City (Florida) | 995.07 mi (1,601.41 km) |
| Libertyville to Orangeburg (South Carolina) | 719.85 mi (1,158.48 km) |
