| Greensboro to Manerbio | 4,504.10 mi (7,248.65 km) |
| Greensboro to Manfredonia | 4,883.05 mi (7,858.50 km) |
| Greensboro to Maniago | 4,588.70 mi (7,384.80 km) |
| Greensboro to Mantova | 4,539.19 mi (7,305.13 km) |
| Greensboro to Maranello | 4,562.49 mi (7,342.61 km) |
| Greensboro to Marano di Napoli | 4,832.34 mi (7,776.90 km) |
| Greensboro to Marano Vicentino | 4,549.37 mi (7,321.50 km) |
| Greensboro to Marcianise | 4,832.83 mi (7,777.69 km) |
| Greensboro to Marcon | 4,591.05 mi (7,388.57 km) |
| Greensboro to Mareno di Piave | 4,583.92 mi (7,377.11 km) |
| Greensboro to Margherita di Savoia | 4,902.99 mi (7,890.60 km) |
| Greensboro to Mariano Comense | 4,452.68 mi (7,165.90 km) |
| Greensboro to Marigliano | 4,843.09 mi (7,794.21 km) |
| Greensboro to Marino | 4,734.18 mi (7,618.93 km) |
| Greensboro to Marostica | 4,557.37 mi (7,334.39 km) |
