| Atlantic City to Olympia Heights (Florida) | 1,003.23 mi (1,614.54 km) |
| Atlantic City to Omaha (Nebraska) | 1,142.30 mi (1,838.35 km) |
| Atlantic City to On Top of the World Designated Place (Florida) | 838.29 mi (1,349.09 km) |
| Atlantic City to Onalaska (Wisconsin) | 917.60 mi (1,476.74 km) |
| Atlantic City to Oneida (New York) | 263.06 mi (423.36 km) |
| Atlantic City to Oneonta (New York) | 214.89 mi (345.83 km) |
| Atlantic City to Ontario (California) | 2,395.66 mi (3,855.44 km) |
| Atlantic City to Ontario (Oregon) | 2,192.25 mi (3,528.09 km) |
| Atlantic City to Opa-locka (Florida) | 990.07 mi (1,593.36 km) |
| Atlantic City to Opelika (Alabama) | 765.95 mi (1,232.67 km) |
| Atlantic City to Opelousas (Louisiana) | 1,167.68 mi (1,879.19 km) |
| Atlantic City to Orange (California) | 2,413.18 mi (3,883.63 km) |
| Atlantic City to Orange (Texas) | 1,265.08 mi (2,035.94 km) |
| Atlantic City to Orange City (Florida) | 820.05 mi (1,319.74 km) |
| Atlantic City to Orangeburg (South Carolina) | 540.59 mi (869.99 km) |
