| Kudowa-Zdroj to Olympia Heights (Florida) | 5,140.69 mi (8,273.15 km) |
| Kudowa-Zdroj to Omaha (Nebraska) | 4,900.32 mi (7,886.30 km) |
| Kudowa-Zdroj to On Top of the World Designated Place (Florida) | 5,043.28 mi (8,116.37 km) |
| Kudowa-Zdroj to Onalaska (Wisconsin) | 4,602.97 mi (7,407.76 km) |
| Kudowa-Zdroj to Oneida (New York) | 4,094.68 mi (6,589.75 km) |
| Kudowa-Zdroj to Oneonta (New York) | 4,101.19 mi (6,600.23 km) |
| Kudowa-Zdroj to Ontario (California) | 5,957.17 mi (9,587.13 km) |
| Kudowa-Zdroj to Ontario (Oregon) | 5,331.32 mi (8,579.93 km) |
| Kudowa-Zdroj to Opa-locka (Florida) | 5,128.12 mi (8,252.91 km) |
| Kudowa-Zdroj to Opelika (Alabama) | 4,978.59 mi (8,012.27 km) |
| Kudowa-Zdroj to Opelousas (Louisiana) | 5,343.88 mi (8,600.15 km) |
| Kudowa-Zdroj to Orange (California) | 5,977.29 mi (9,619.52 km) |
| Kudowa-Zdroj to Orange (Texas) | 5,427.42 mi (8,734.58 km) |
| Kudowa-Zdroj to Orange City (Florida) | 5,012.32 mi (8,066.55 km) |
| Kudowa-Zdroj to Orangeburg (South Carolina) | 4,761.71 mi (7,663.23 km) |
