| Prunedale to Olympia (Washington) | 710.03 mi (1,142.69 km) |
| Prunedale to Olympia Heights (Florida) | 2,535.59 mi (4,080.64 km) |
| Prunedale to Omaha (Nebraska) | 1,402.67 mi (2,257.37 km) |
| Prunedale to On Top of the World Designated Place (Florida) | 2,326.43 mi (3,744.03 km) |
| Prunedale to Onalaska (Wisconsin) | 1,665.56 mi (2,680.46 km) |
| Prunedale to Oneida (New York) | 2,443.41 mi (3,932.29 km) |
| Prunedale to Oneonta (New York) | 2,478.17 mi (3,988.23 km) |
| Prunedale to Ontario (California) | 297.48 mi (478.75 km) |
| Prunedale to Ontario (Oregon) | 556.01 mi (894.81 km) |
| Prunedale to Opa-locka (Florida) | 2,534.56 mi (4,078.98 km) |
| Prunedale to Opelika (Alabama) | 2,067.32 mi (3,327.03 km) |
| Prunedale to Opelousas (Louisiana) | 1,747.50 mi (2,812.33 km) |
| Prunedale to Orange (California) | 299.56 mi (482.09 km) |
| Prunedale to Orange (Texas) | 1,666.10 mi (2,681.32 km) |
| Prunedale to Orange City (Florida) | 2,386.41 mi (3,840.55 km) |
