| Liestal to Olympia Heights (Florida) | 4,843.68 mi (7,795.14 km) |
| Liestal to Omaha (Nebraska) | 4,739.74 mi (7,627.88 km) |
| Liestal to On Top of the World Designated Place (Florida) | 4,768.01 mi (7,673.37 km) |
| Liestal to Onalaska (Wisconsin) | 4,436.23 mi (7,139.42 km) |
| Liestal to Oneida (New York) | 3,865.03 mi (6,220.17 km) |
| Liestal to Oneonta (New York) | 3,865.75 mi (6,221.33 km) |
| Liestal to Ontario (California) | 5,867.77 mi (9,443.26 km) |
| Liestal to Ontario (Oregon) | 5,277.90 mi (8,493.96 km) |
| Liestal to Opa-locka (Florida) | 4,831.50 mi (7,775.54 km) |
| Liestal to Opelika (Alabama) | 4,731.64 mi (7,614.83 km) |
| Liestal to Opelousas (Louisiana) | 5,115.49 mi (8,232.58 km) |
| Liestal to Orange (California) | 5,888.15 mi (9,476.06 km) |
| Liestal to Orange (Texas) | 5,204.63 mi (8,376.05 km) |
| Liestal to Orange City (Florida) | 4,732.39 mi (7,616.04 km) |
| Liestal to Orangeburg (South Carolina) | 4,500.72 mi (7,243.21 km) |
