| Greensboro to Marysville (California) | 2,274.72 mi (3,660.80 km) |
| Greensboro to Marysville (Ohio) | 343.94 mi (553.52 km) |
| Greensboro to Marysville (Washington) | 2,288.85 mi (3,683.55 km) |
| Greensboro to Maryville (Missouri) | 866.36 mi (1,394.27 km) |
| Greensboro to Maryville (Tennessee) | 233.54 mi (375.84 km) |
| Greensboro to Mason (Ohio) | 332.47 mi (535.06 km) |
| Greensboro to Mason City (Iowa) | 860.87 mi (1,385.44 km) |
| Greensboro to Massapequa (New York) | 467.00 mi (751.56 km) |
| Greensboro to Massapequa Park (New York) | 468.47 mi (753.93 km) |
| Greensboro to Massillon (Ohio) | 336.69 mi (541.85 km) |
| Greensboro to Mastic (New York) | 498.39 mi (802.08 km) |
| Greensboro to Mastic Beach (New York) | 496.99 mi (799.82 km) |
| Greensboro to Matteson (Illinois) | 566.80 mi (912.17 km) |
| Greensboro to Matthews (North Carolina) | 83.72 mi (134.73 km) |
| Greensboro to Mattoon (Illinois) | 521.04 mi (838.53 km) |
