| North Potomac to Mechernich | 3,961.34 mi (6,375.16 km) |
| North Potomac to Meckenbeuren | 4,165.77 mi (6,704.16 km) |
| North Potomac to Meckenheim | 3,975.14 mi (6,397.37 km) |
| North Potomac to Meerane | 4,183.84 mi (6,733.25 km) |
| North Potomac to Meerbusch | 3,943.74 mi (6,346.84 km) |
| North Potomac to Meine | 4,063.07 mi (6,538.87 km) |
| North Potomac to Meinerzhagen | 3,986.25 mi (6,415.26 km) |
| North Potomac to Meiningen | 4,112.91 mi (6,619.09 km) |
| North Potomac to Meissen | 4,213.32 mi (6,780.69 km) |
| North Potomac to Meitingen | 4,191.85 mi (6,746.13 km) |
| North Potomac to Melle | 3,983.65 mi (6,411.07 km) |
| North Potomac to Melsungen | 4,061.45 mi (6,536.26 km) |
| North Potomac to Memmelsdorf | 4,153.01 mi (6,683.63 km) |
| North Potomac to Memmingen | 4,182.32 mi (6,730.80 km) |
| North Potomac to Mendig | 3,993.00 mi (6,426.12 km) |
