| Koscierzyna to Olympia Heights (Florida) | 5,114.57 mi (8,231.10 km) |
| Koscierzyna to Omaha (Nebraska) | 4,782.20 mi (7,696.20 km) |
| Koscierzyna to On Top of the World Designated Place (Florida) | 5,000.56 mi (8,047.62 km) |
| Koscierzyna to Onalaska (Wisconsin) | 4,490.16 mi (7,226.21 km) |
| Koscierzyna to Oneida (New York) | 4,025.05 mi (6,477.69 km) |
| Koscierzyna to Oneonta (New York) | 4,035.47 mi (6,494.47 km) |
| Koscierzyna to Ontario (California) | 5,795.73 mi (9,327.33 km) |
| Koscierzyna to Ontario (Oregon) | 5,155.46 mi (8,296.91 km) |
| Koscierzyna to Opa-locka (Florida) | 5,101.75 mi (8,210.47 km) |
| Koscierzyna to Opelika (Alabama) | 4,915.43 mi (7,910.63 km) |
| Koscierzyna to Opelousas (Louisiana) | 5,265.87 mi (8,474.60 km) |
| Koscierzyna to Orange (California) | 5,815.64 mi (9,359.38 km) |
| Koscierzyna to Orange (Texas) | 5,345.20 mi (8,602.26 km) |
| Koscierzyna to Orange City (Florida) | 4,973.34 mi (8,003.82 km) |
| Koscierzyna to Orangeburg (South Carolina) | 4,709.91 mi (7,579.87 km) |
