| Pirna to Olympia Heights (Florida) | 5,033.79 mi (8,101.10 km) |
| Pirna to Omaha (Nebraska) | 4,801.21 mi (7,726.81 km) |
| Pirna to On Top of the World Designated Place (Florida) | 4,936.72 mi (7,944.88 km) |
| Pirna to Onalaska (Wisconsin) | 4,503.11 mi (7,247.05 km) |
| Pirna to Oneida (New York) | 3,989.82 mi (6,420.99 km) |
| Pirna to Oneonta (New York) | 3,996.02 mi (6,430.98 km) |
| Pirna to Ontario (California) | 5,867.05 mi (9,442.11 km) |
| Pirna to Ontario (Oregon) | 5,245.84 mi (8,442.37 km) |
| Pirna to Opa-locka (Florida) | 5,021.22 mi (8,080.87 km) |
| Pirna to Opelika (Alabama) | 4,873.07 mi (7,842.45 km) |
| Pirna to Opelousas (Louisiana) | 5,239.46 mi (8,432.10 km) |
| Pirna to Orange (California) | 5,887.23 mi (9,474.58 km) |
| Pirna to Orange (Texas) | 5,323.38 mi (8,567.15 km) |
| Pirna to Orange City (Florida) | 4,905.64 mi (7,894.87 km) |
| Pirna to Orangeburg (South Carolina) | 4,655.56 mi (7,492.40 km) |
