| Birmingham to Odessa (Texas) | 4,907.34 mi (7,897.60 km) |
| Birmingham to Ogden (Utah) | 4,736.87 mi (7,623.25 km) |
| Birmingham to Oildale (California) | 5,285.44 mi (8,506.09 km) |
| Birmingham to Ojus (Florida) | 4,332.44 mi (6,972.38 km) |
| Birmingham to Okemos (Michigan) | 3,689.38 mi (5,937.48 km) |
| Birmingham to Oklahoma City (Oklahoma) | 4,538.56 mi (7,304.11 km) |
| Birmingham to Okmulgee (Oklahoma) | 4,474.45 mi (7,200.93 km) |
| Birmingham to Olathe (Kansas) | 4,264.56 mi (6,863.15 km) |
| Birmingham to Old Jamestown (Missouri) | 4,096.04 mi (6,591.93 km) |
| Birmingham to Oldsmar (Florida) | 4,329.64 mi (6,967.88 km) |
| Birmingham to Olean (New York) | 3,485.24 mi (5,608.95 km) |
| Birmingham to Olive Branch (Mississippi) | 4,270.70 mi (6,873.02 km) |
| Birmingham to Olivehurst (California) | 5,152.21 mi (8,291.67 km) |
| Birmingham to Olney (Maryland) | 3,562.85 mi (5,733.85 km) |
| Birmingham to Olympia (Washington) | 4,731.87 mi (7,615.22 km) |
