| North Potomac to Manerbio | 4,264.48 mi (6,863.02 km) |
| North Potomac to Manfredonia | 4,645.11 mi (7,475.58 km) |
| North Potomac to Maniago | 4,346.92 mi (6,995.70 km) |
| North Potomac to Mantova | 4,299.53 mi (6,919.42 km) |
| North Potomac to Maranello | 4,323.59 mi (6,958.15 km) |
| North Potomac to Marano di Napoli | 4,596.44 mi (7,397.26 km) |
| North Potomac to Marano Vicentino | 4,308.72 mi (6,934.21 km) |
| North Potomac to Marcianise | 4,596.68 mi (7,397.64 km) |
| North Potomac to Marcon | 4,350.17 mi (7,000.93 km) |
| North Potomac to Mareno di Piave | 4,342.68 mi (6,988.87 km) |
| North Potomac to Margherita di Savoia | 4,665.25 mi (7,508.00 km) |
| North Potomac to Mariano Comense | 4,213.07 mi (6,780.29 km) |
| North Potomac to Marigliano | 4,606.99 mi (7,414.23 km) |
| North Potomac to Marino | 4,498.03 mi (7,238.89 km) |
| North Potomac to Marostica | 4,316.57 mi (6,946.84 km) |
