| Boston to Marasesti | 1,309.17 mi (2,106.90 km) |
| Boston to Marghita | 1,057.61 mi (1,702.06 km) |
| Boston to Marginea | 1,185.76 mi (1,908.29 km) |
| Boston to Matca | 1,322.66 mi (2,128.61 km) |
| Boston to Medgidia | 1,413.41 mi (2,274.66 km) |
| Boston to Media | 1,182.19 mi (1,902.55 km) |
| Boston to Miercurea-Ciuc | 1,233.54 mi (1,985.19 km) |
| Boston to Mioveni | 1,251.79 mi (2,014.56 km) |
| Boston to Mizil | 1,310.32 mi (2,108.76 km) |
| Boston to Moinesti | 1,258.77 mi (2,025.79 km) |
| Boston to Moisei | 1,137.52 mi (1,830.67 km) |
| Boston to Moldova Noua | 1,132.59 mi (1,822.73 km) |
| Boston to Moreni | 1,279.05 mi (2,058.44 km) |
| Boston to Motru | 1,179.96 mi (1,898.95 km) |
| Boston to Murfatlar | 1,422.41 mi (2,289.14 km) |
