| Prievidza to Olympia Heights (Florida) | 5,283.57 mi (8,503.09 km) |
| Prievidza to Omaha (Nebraska) | 5,056.98 mi (8,138.43 km) |
| Prievidza to On Top of the World Designated Place (Florida) | 5,190.03 mi (8,352.54 km) |
| Prievidza to Onalaska (Wisconsin) | 4,759.41 mi (7,659.52 km) |
| Prievidza to Oneida (New York) | 4,246.82 mi (6,834.59 km) |
| Prievidza to Oneonta (New York) | 4,252.73 mi (6,844.10 km) |
| Prievidza to Ontario (California) | 6,113.01 mi (9,837.93 km) |
| Prievidza to Ontario (Oregon) | 5,485.33 mi (8,827.79 km) |
| Prievidza to Opa-locka (Florida) | 5,271.07 mi (8,482.97 km) |
| Prievidza to Opelika (Alabama) | 5,129.28 mi (8,254.78 km) |
| Prievidza to Opelousas (Louisiana) | 5,496.73 mi (8,846.13 km) |
| Prievidza to Orange (California) | 6,133.11 mi (9,870.29 km) |
| Prievidza to Orange (Texas) | 5,580.81 mi (8,981.45 km) |
| Prievidza to Orange City (Florida) | 5,158.28 mi (8,301.44 km) |
| Prievidza to Orangeburg (South Carolina) | 4,910.46 mi (7,902.62 km) |
