| Alice to Olympia Heights (Florida) | 1,101.79 mi (1,773.16 km) |
| Alice to Omaha (Nebraska) | 940.18 mi (1,513.07 km) |
| Alice to On Top of the World Designated Place (Florida) | 962.52 mi (1,549.02 km) |
| Alice to Onalaska (Wisconsin) | 1,177.92 mi (1,895.69 km) |
| Alice to Oneida (New York) | 1,637.41 mi (2,635.16 km) |
| Alice to Oneonta (New York) | 1,640.37 mi (2,639.92 km) |
| Alice to Ontario (California) | 1,234.70 mi (1,987.06 km) |
| Alice to Ontario (Oregon) | 1,536.64 mi (2,472.98 km) |
| Alice to Opa-locka (Florida) | 1,104.59 mi (1,777.67 km) |
| Alice to Opelika (Alabama) | 829.21 mi (1,334.48 km) |
| Alice to Opelousas (Louisiana) | 408.58 mi (657.55 km) |
| Alice to Orange (California) | 1,242.48 mi (1,999.59 km) |
| Alice to Orange (Texas) | 307.36 mi (494.64 km) |
| Alice to Orange City (Florida) | 1,022.60 mi (1,645.71 km) |
| Alice to Orangeburg (South Carolina) | 1,094.94 mi (1,762.14 km) |
