| Boulder to Manerbio | 5,311.82 mi (8,548.55 km) |
| Boulder to Manfredonia | 5,698.15 mi (9,170.29 km) |
| Boulder to Maniago | 5,359.79 mi (8,625.75 km) |
| Boulder to Mantova | 5,344.73 mi (8,601.51 km) |
| Boulder to Maranello | 5,377.90 mi (8,654.90 km) |
| Boulder to Marano di Napoli | 5,675.84 mi (9,134.38 km) |
| Boulder to Marano Vicentino | 5,339.93 mi (8,593.78 km) |
| Boulder to Marcianise | 5,673.12 mi (9,130.01 km) |
| Boulder to Marcon | 5,376.35 mi (8,652.39 km) |
| Boulder to Mareno di Piave | 5,363.86 mi (8,632.31 km) |
| Boulder to Margherita di Savoia | 5,719.96 mi (9,205.39 km) |
| Boulder to Mariano Comense | 5,262.87 mi (8,469.77 km) |
| Boulder to Marigliano | 5,683.50 mi (9,146.71 km) |
| Boulder to Marino | 5,578.45 mi (8,977.64 km) |
| Boulder to Marostica | 5,345.18 mi (8,602.24 km) |
