| Middleburg to Oakley (California) | 2,325.37 mi (3,742.32 km) |
| Middleburg to Oakton (Virginia) | 664.25 mi (1,069.01 km) |
| Middleburg to Oakville (Missouri) | 752.81 mi (1,211.53 km) |
| Middleburg to Oatfield (Oregon) | 2,430.66 mi (3,911.77 km) |
| Middleburg to Ocala (Florida) | 62.11 mi (99.95 km) |
| Middleburg to Ocean Acres (New Jersey) | 796.13 mi (1,281.24 km) |
| Middleburg to Ocean City (New Jersey) | 759.43 mi (1,222.19 km) |
| Middleburg to Ocean Pines (Maryland) | 692.67 mi (1,114.75 km) |
| Middleburg to Ocean Pointe (Hawaii) | 4,695.15 mi (7,556.11 km) |
| Middleburg to Ocean Springs (Mississippi) | 411.70 mi (662.57 km) |
| Middleburg to Oceanside (California) | 2,084.46 mi (3,354.61 km) |
| Middleburg to Oceanside (New York) | 865.99 mi (1,393.67 km) |
| Middleburg to Ocoee (Florida) | 104.00 mi (167.37 km) |
| Middleburg to Oconomowoc (Wisconsin) | 972.21 mi (1,564.62 km) |
| Middleburg to Odenton (Maryland) | 689.49 mi (1,109.62 km) |
