| Leiderdorp to Olympia Heights (Florida) | 4,622.97 mi (7,439.96 km) |
| Leiderdorp to Omaha (Nebraska) | 4,431.63 mi (7,132.01 km) |
| Leiderdorp to On Top of the World Designated Place (Florida) | 4,529.03 mi (7,288.78 km) |
| Leiderdorp to Onalaska (Wisconsin) | 4,130.43 mi (6,647.29 km) |
| Leiderdorp to Oneida (New York) | 3,592.61 mi (5,781.75 km) |
| Leiderdorp to Oneonta (New York) | 3,597.09 mi (5,788.96 km) |
| Leiderdorp to Ontario (California) | 5,535.26 mi (8,908.15 km) |
| Leiderdorp to Ontario (Oregon) | 4,935.60 mi (7,943.07 km) |
| Leiderdorp to Opa-locka (Florida) | 4,610.44 mi (7,419.79 km) |
| Leiderdorp to Opelika (Alabama) | 4,471.73 mi (7,196.55 km) |
| Leiderdorp to Opelousas (Louisiana) | 4,843.83 mi (7,795.38 km) |
| Leiderdorp to Orange (California) | 5,555.60 mi (8,940.87 km) |
| Leiderdorp to Orange (Texas) | 4,929.62 mi (7,933.46 km) |
| Leiderdorp to Orange City (Florida) | 4,497.13 mi (7,237.43 km) |
| Leiderdorp to Orangeburg (South Carolina) | 4,250.60 mi (6,840.68 km) |
