| Koscielisko to Olympia Heights (Florida) | 5,321.27 mi (8,563.75 km) |
| Koscielisko to Omaha (Nebraska) | 5,072.59 mi (8,163.55 km) |
| Koscielisko to On Top of the World Designated Place (Florida) | 5,224.10 mi (8,407.38 km) |
| Koscielisko to Onalaska (Wisconsin) | 4,776.30 mi (7,686.72 km) |
| Koscielisko to Oneida (New York) | 4,274.17 mi (6,878.61 km) |
| Koscielisko to Oneonta (New York) | 4,280.99 mi (6,889.59 km) |
| Koscielisko to Ontario (California) | 6,116.25 mi (9,843.15 km) |
| Koscielisko to Ontario (Oregon) | 5,483.74 mi (8,825.22 km) |
| Koscielisko to Opa-locka (Florida) | 5,308.71 mi (8,543.54 km) |
| Koscielisko to Opelika (Alabama) | 5,158.71 mi (8,302.14 km) |
| Koscielisko to Opelousas (Louisiana) | 5,522.85 mi (8,888.17 km) |
| Koscielisko to Orange (California) | 6,136.29 mi (9,875.41 km) |
| Koscielisko to Orange (Texas) | 5,605.95 mi (9,021.90 km) |
| Koscielisko to Orange City (Florida) | 5,193.15 mi (8,357.57 km) |
| Koscielisko to Orangeburg (South Carolina) | 4,942.34 mi (7,953.93 km) |
