| Middleburg to Orangevale (California) | 2,301.54 mi (3,703.97 km) |
| Middleburg to Orchards (Washington) | 2,431.58 mi (3,913.24 km) |
| Middleburg to Orcutt (California) | 2,256.39 mi (3,631.30 km) |
| Middleburg to Oregon (Ohio) | 806.17 mi (1,297.40 km) |
| Middleburg to Oregon (Wisconsin) | 981.00 mi (1,578.77 km) |
| Middleburg to Oregon City (Oregon) | 2,429.61 mi (3,910.08 km) |
| Middleburg to Orem (Utah) | 1,814.72 mi (2,920.50 km) |
| Middleburg to Orinda (California) | 2,351.56 mi (3,784.46 km) |
| Middleburg to Orland Park (Illinois) | 864.96 mi (1,392.01 km) |
| Middleburg to Orlando (Florida) | 113.87 mi (183.26 km) |
| Middleburg to Ormond Beach (Florida) | 70.73 mi (113.82 km) |
| Middleburg to Oro Valley (Arizona) | 1,720.23 mi (2,768.44 km) |
| Middleburg to Oroville (California) | 2,323.18 mi (3,738.80 km) |
| Middleburg to Oshkosh (Wisconsin) | 1,032.03 mi (1,660.90 km) |
| Middleburg to Oskaloosa (Iowa) | 981.51 mi (1,579.59 km) |
