| Birmingham to Oakley (California) | 5,219.13 mi (8,399.38 km) |
| Birmingham to Oakton (Virginia) | 3,583.89 mi (5,767.72 km) |
| Birmingham to Oakville (Missouri) | 4,116.51 mi (6,624.88 km) |
| Birmingham to Oatfield (Oregon) | 4,817.08 mi (7,752.34 km) |
| Birmingham to Ocala (Florida) | 4,251.12 mi (6,841.52 km) |
| Birmingham to Ocean Acres (New Jersey) | 3,423.17 mi (5,509.05 km) |
| Birmingham to Ocean City (New Jersey) | 3,457.50 mi (5,564.31 km) |
| Birmingham to Ocean Pines (Maryland) | 3,519.73 mi (5,664.46 km) |
| Birmingham to Ocean Pointe (Hawaii) | 7,139.33 mi (11,489.64 km) |
| Birmingham to Ocean Springs (Mississippi) | 4,458.72 mi (7,175.61 km) |
| Birmingham to Oceanside (California) | 5,356.51 mi (8,620.47 km) |
| Birmingham to Oceanside (New York) | 3,357.64 mi (5,403.60 km) |
| Birmingham to Ocoee (Florida) | 4,255.86 mi (6,849.15 km) |
| Birmingham to Oconomowoc (Wisconsin) | 3,825.28 mi (6,156.19 km) |
| Birmingham to Odenton (Maryland) | 3,551.29 mi (5,715.25 km) |
