| Landsmeer to Olympia Heights (Florida) | 4,634.68 mi (7,458.80 km) |
| Landsmeer to Omaha (Nebraska) | 4,434.39 mi (7,136.45 km) |
| Landsmeer to On Top of the World Designated Place (Florida) | 4,539.26 mi (7,305.24 km) |
| Landsmeer to Onalaska (Wisconsin) | 4,133.58 mi (6,652.35 km) |
| Landsmeer to Oneida (New York) | 3,599.91 mi (5,793.49 km) |
| Landsmeer to Oneonta (New York) | 3,604.77 mi (5,801.32 km) |
| Landsmeer to Ontario (California) | 5,533.82 mi (8,905.82 km) |
| Landsmeer to Ontario (Oregon) | 4,931.98 mi (7,937.26 km) |
| Landsmeer to Opa-locka (Florida) | 4,622.13 mi (7,438.60 km) |
| Landsmeer to Opelika (Alabama) | 4,480.06 mi (7,209.96 km) |
| Landsmeer to Opelousas (Louisiana) | 4,850.89 mi (7,806.76 km) |
| Landsmeer to Orange (California) | 5,554.14 mi (8,938.53 km) |
| Landsmeer to Orange (Texas) | 4,936.31 mi (7,944.23 km) |
| Landsmeer to Orange City (Florida) | 4,507.68 mi (7,254.41 km) |
| Landsmeer to Orangeburg (South Carolina) | 4,259.91 mi (6,855.66 km) |
