| Boston to Melzo | 668.16 mi (1,075.29 km) |
| Boston to Mendicino | 1,219.13 mi (1,962.01 km) |
| Boston to Menfi | 1,230.97 mi (1,981.05 km) |
| Boston to Mentana | 957.82 mi (1,541.46 km) |
| Boston to Merano | 660.59 mi (1,063.12 km) |
| Boston to Merate | 657.51 mi (1,058.15 km) |
| Boston to Mercato San Severino | 1,089.79 mi (1,753.86 km) |
| Boston to Mercogliano | 1,081.13 mi (1,739.91 km) |
| Boston to Mesagne | 1,196.20 mi (1,925.09 km) |
| Boston to Messina | 1,263.08 mi (2,032.73 km) |
| Boston to Mestre | 755.26 mi (1,215.48 km) |
| Boston to Mestrino | 742.11 mi (1,194.31 km) |
| Boston to Milan | 663.61 mi (1,067.98 km) |
| Boston to Milazzo | 1,252.86 mi (2,016.29 km) |
| Boston to Minerbio | 777.24 mi (1,250.85 km) |
