| Greensboro to Masanasa | 4,197.74 mi (6,755.61 km) |
| Greensboro to Masquefa | 4,243.75 mi (6,829.66 km) |
| Greensboro to Matadepera | 4,250.81 mi (6,841.02 km) |
| Greensboro to Mazarron | 4,205.06 mi (6,767.38 km) |
| Greensboro to Meco | 4,024.08 mi (6,476.13 km) |
| Greensboro to Medina del Campo | 3,927.82 mi (6,321.21 km) |
| Greensboro to Medina Sidonia | 4,005.88 mi (6,446.84 km) |
| Greensboro to Mejorada del Campo | 4,025.33 mi (6,478.15 km) |
| Greensboro to Meliana | 4,196.76 mi (6,754.03 km) |
| Greensboro to Mengibar | 4,070.39 mi (6,550.66 km) |
| Greensboro to Merida | 3,919.49 mi (6,307.81 km) |
| Greensboro to Miajadas | 3,926.26 mi (6,318.71 km) |
| Greensboro to Mieres | 3,839.52 mi (6,179.12 km) |
| Greensboro to Miguelturra | 4,035.99 mi (6,495.29 km) |
| Greensboro to Mijas | 4,067.28 mi (6,545.66 km) |
