| Middleburg to McHenry (Illinois) | 920.11 mi (1,480.78 km) |
| Middleburg to McKeesport (Pennsylvania) | 720.44 mi (1,159.44 km) |
| Middleburg to McKinleyville (California) | 2,462.95 mi (3,963.73 km) |
| Middleburg to McKinney (Texas) | 894.71 mi (1,439.90 km) |
| Middleburg to McLean (Virginia) | 670.11 mi (1,078.44 km) |
| Middleburg to McMinnville (Oregon) | 2,456.46 mi (3,953.28 km) |
| Middleburg to McMinnville (Tennessee) | 449.73 mi (723.77 km) |
| Middleburg to McNair (Virginia) | 665.78 mi (1,071.46 km) |
| Middleburg to McPherson (Kansas) | 1,066.00 mi (1,715.57 km) |
| Middleburg to Mead Valley (California) | 2,080.81 mi (3,348.74 km) |
| Middleburg to Meadow Woods (Florida) | 120.82 mi (194.44 km) |
| Middleburg to Meadowbrook (Virginia) | 569.63 mi (916.73 km) |
| Middleburg to Meadville (Pennsylvania) | 807.25 mi (1,299.14 km) |
| Middleburg to Mebane (North Carolina) | 443.81 mi (714.24 km) |
| Middleburg to Mechanicsville (Virginia) | 584.64 mi (940.88 km) |
