| Birmingham to Orangevale (California) | 5,164.87 mi (8,312.06 km) |
| Birmingham to Orchards (Washington) | 4,799.52 mi (7,724.09 km) |
| Birmingham to Orcutt (California) | 5,361.14 mi (8,627.93 km) |
| Birmingham to Oregon (Ohio) | 3,699.76 mi (5,954.18 km) |
| Birmingham to Oregon (Wisconsin) | 3,866.71 mi (6,222.86 km) |
| Birmingham to Oregon City (Oregon) | 4,821.09 mi (7,758.79 km) |
| Birmingham to Orem (Utah) | 4,778.95 mi (7,690.97 km) |
| Birmingham to Orinda (California) | 5,239.98 mi (8,432.93 km) |
| Birmingham to Orland Park (Illinois) | 3,871.33 mi (6,230.30 km) |
| Birmingham to Orlando (Florida) | 4,252.93 mi (6,844.43 km) |
| Birmingham to Ormond Beach (Florida) | 4,201.75 mi (6,762.07 km) |
| Birmingham to Oro Valley (Arizona) | 5,188.54 mi (8,350.15 km) |
| Birmingham to Oroville (California) | 5,128.14 mi (8,252.94 km) |
| Birmingham to Oshkosh (Wisconsin) | 3,784.98 mi (6,091.34 km) |
| Birmingham to Oskaloosa (Iowa) | 4,065.13 mi (6,542.19 km) |
