| Normal to Odessa (Texas) | 952.59 mi (1,533.05 km) |
| Normal to Ogden (Utah) | 1,198.06 mi (1,928.09 km) |
| Normal to Oildale (California) | 1,665.09 mi (2,679.70 km) |
| Normal to Ojus (Florida) | 1,126.79 mi (1,813.40 km) |
| Normal to Okemos (Michigan) | 280.33 mi (451.15 km) |
| Normal to Oklahoma City (Oklahoma) | 580.41 mi (934.08 km) |
| Normal to Okmulgee (Oklahoma) | 510.33 mi (821.30 km) |
| Normal to Olathe (Kansas) | 329.94 mi (530.99 km) |
| Normal to Old Jamestown (Missouri) | 135.13 mi (217.48 km) |
| Normal to Oldsmar (Florida) | 933.44 mi (1,502.23 km) |
| Normal to Olean (New York) | 558.05 mi (898.10 km) |
| Normal to Olive Branch (Mississippi) | 387.05 mi (622.90 km) |
| Normal to Olivehurst (California) | 1,721.85 mi (2,771.05 km) |
| Normal to Olney (Maryland) | 638.86 mi (1,028.15 km) |
| Normal to Olympia (Washington) | 1,735.47 mi (2,792.97 km) |
