| Berkley to Olympia Heights (Florida) | 1,170.20 mi (1,883.26 km) |
| Berkley to Omaha (Nebraska) | 666.77 mi (1,073.06 km) |
| Berkley to On Top of the World Designated Place (Florida) | 926.71 mi (1,491.39 km) |
| Berkley to Onalaska (Wisconsin) | 415.16 mi (668.14 km) |
| Berkley to Oneida (New York) | 383.42 mi (617.06 km) |
| Berkley to Oneonta (New York) | 413.58 mi (665.59 km) |
| Berkley to Ontario (California) | 1,941.37 mi (3,124.34 km) |
| Berkley to Ontario (Oregon) | 1,691.54 mi (2,722.27 km) |
| Berkley to Opa-locka (Florida) | 1,158.83 mi (1,864.96 km) |
| Berkley to Opelika (Alabama) | 690.14 mi (1,110.67 km) |
| Berkley to Opelousas (Louisiana) | 962.26 mi (1,548.60 km) |
| Berkley to Orange (California) | 1,959.91 mi (3,154.17 km) |
| Berkley to Orange (Texas) | 1,036.34 mi (1,667.82 km) |
| Berkley to Orange City (Florida) | 943.12 mi (1,517.80 km) |
| Berkley to Orangeburg (South Carolina) | 634.84 mi (1,021.68 km) |
