| Whitehall to Olympia (Washington) | 2,040.10 mi (3,283.22 km) |
| Whitehall to Olympia Heights (Florida) | 995.07 mi (1,601.41 km) |
| Whitehall to Omaha (Nebraska) | 695.80 mi (1,119.79 km) |
| Whitehall to On Top of the World Designated Place (Florida) | 751.28 mi (1,209.07 km) |
| Whitehall to Onalaska (Wisconsin) | 506.03 mi (814.38 km) |
| Whitehall to Oneida (New York) | 430.67 mi (693.09 km) |
| Whitehall to Oneonta (New York) | 440.91 mi (709.58 km) |
| Whitehall to Ontario (California) | 1,946.35 mi (3,132.34 km) |
| Whitehall to Ontario (Oregon) | 1,760.06 mi (2,832.54 km) |
| Whitehall to Opa-locka (Florida) | 983.78 mi (1,583.24 km) |
| Whitehall to Opelika (Alabama) | 523.54 mi (842.55 km) |
| Whitehall to Opelousas (Louisiana) | 832.68 mi (1,340.07 km) |
| Whitehall to Orange (California) | 1,964.00 mi (3,160.75 km) |
| Whitehall to Orange (Texas) | 915.79 mi (1,473.81 km) |
| Whitehall to Orange City (Florida) | 767.69 mi (1,235.48 km) |
