| Leczna to Olympia Heights (Florida) | 5,381.23 mi (8,660.26 km) |
| Leczna to Omaha (Nebraska) | 5,064.77 mi (8,150.96 km) |
| Leczna to On Top of the World Designated Place (Florida) | 5,272.52 mi (8,485.30 km) |
| Leczna to Onalaska (Wisconsin) | 4,772.79 mi (7,681.06 km) |
| Leczna to Oneida (New York) | 4,303.12 mi (6,925.20 km) |
| Leczna to Oneonta (New York) | 4,312.75 mi (6,940.71 km) |
| Leczna to Ontario (California) | 6,071.38 mi (9,770.95 km) |
| Leczna to Ontario (Oregon) | 5,426.48 mi (8,733.08 km) |
| Leczna to Opa-locka (Florida) | 5,368.49 mi (8,639.76 km) |
| Leczna to Opelika (Alabama) | 5,192.55 mi (8,356.60 km) |
| Leczna to Opelousas (Louisiana) | 5,545.84 mi (8,925.16 km) |
| Leczna to Orange (California) | 6,091.22 mi (9,802.87 km) |
| Leczna to Orange (Texas) | 5,625.78 mi (9,053.82 km) |
| Leczna to Orange City (Florida) | 5,244.17 mi (8,439.68 km) |
| Leczna to Orangeburg (South Carolina) | 4,984.24 mi (8,021.36 km) |
