| Middleburg to Maryland Heights (Missouri) | 772.34 mi (1,242.96 km) |
| Middleburg to Marysville (California) | 2,322.74 mi (3,738.09 km) |
| Middleburg to Marysville (Ohio) | 707.99 mi (1,139.40 km) |
| Middleburg to Marysville (Washington) | 2,454.01 mi (3,949.35 km) |
| Middleburg to Maryville (Missouri) | 1,018.61 mi (1,639.30 km) |
| Middleburg to Maryville (Tennessee) | 411.61 mi (662.42 km) |
| Middleburg to Mason (Ohio) | 657.27 mi (1,057.78 km) |
| Middleburg to Mason City (Iowa) | 1,098.56 mi (1,767.97 km) |
| Middleburg to Massapequa (New York) | 872.96 mi (1,404.90 km) |
| Middleburg to Massapequa Park (New York) | 874.39 mi (1,407.20 km) |
| Middleburg to Massillon (Ohio) | 741.92 mi (1,194.00 km) |
| Middleburg to Mastic (New York) | 900.18 mi (1,448.69 km) |
| Middleburg to Mastic Beach (New York) | 898.15 mi (1,445.43 km) |
| Middleburg to Matteson (Illinois) | 856.33 mi (1,378.13 km) |
| Middleburg to Matthews (North Carolina) | 357.04 mi (574.60 km) |
