| Middleburg to Mattoon (Illinois) | 746.98 mi (1,202.14 km) |
| Middleburg to Mauldin (South Carolina) | 327.78 mi (527.51 km) |
| Middleburg to Maumee (Ohio) | 801.96 mi (1,290.64 km) |
| Middleburg to Maumelle (Arkansas) | 695.70 mi (1,119.62 km) |
| Middleburg to Mayagüez (Puerto Rico) | 1,237.35 mi (1,991.32 km) |
| Middleburg to Mayfield Heights (Ohio) | 792.70 mi (1,275.73 km) |
| Middleburg to Mays Chapel (Maryland) | 713.25 mi (1,147.86 km) |
| Middleburg to Maywood (California) | 2,131.99 mi (3,431.11 km) |
| Middleburg to Maywood (Illinois) | 881.74 mi (1,419.02 km) |
| Middleburg to McAlester (Oklahoma) | 874.83 mi (1,407.90 km) |
| Middleburg to McAllen (Texas) | 1,029.31 mi (1,656.51 km) |
| Middleburg to McCalla (Alabama) | 376.00 mi (605.12 km) |
| Middleburg to McComb (Mississippi) | 515.95 mi (830.34 km) |
| Middleburg to McDonough (Georgia) | 268.89 mi (432.74 km) |
| Middleburg to McFarland (California) | 2,188.28 mi (3,521.70 km) |
