| Oborniki Slaskie to Olympia Heights (Florida) | 5,145.41 mi (8,280.74 km) |
| Oborniki Slaskie to Omaha (Nebraska) | 4,881.22 mi (7,855.57 km) |
| Oborniki Slaskie to On Top of the World Designated Place (Florida) | 5,043.78 mi (8,117.18 km) |
| Oborniki Slaskie to Onalaska (Wisconsin) | 4,585.15 mi (7,379.09 km) |
| Oborniki Slaskie to Oneida (New York) | 4,087.86 mi (6,578.78 km) |
| Oborniki Slaskie to Oneonta (New York) | 4,095.38 mi (6,590.88 km) |
| Oborniki Slaskie to Ontario (California) | 5,926.63 mi (9,537.99 km) |
| Oborniki Slaskie to Ontario (Oregon) | 5,296.56 mi (8,523.98 km) |
| Oborniki Slaskie to Opa-locka (Florida) | 5,132.78 mi (8,260.40 km) |
| Oborniki Slaskie to Opelika (Alabama) | 4,973.87 mi (8,004.67 km) |
| Oborniki Slaskie to Opelousas (Louisiana) | 5,335.49 mi (8,586.64 km) |
| Oborniki Slaskie to Orange (California) | 5,946.70 mi (9,570.29 km) |
| Oborniki Slaskie to Orange (Texas) | 5,417.97 mi (8,719.37 km) |
| Oborniki Slaskie to Orange City (Florida) | 5,013.75 mi (8,068.86 km) |
| Oborniki Slaskie to Orangeburg (South Carolina) | 4,759.79 mi (7,660.13 km) |
