| Southborough to Miedzychod | 672.17 mi (1,081.75 km) |
| Southborough to Miedzyrzec Podlaski | 964.81 mi (1,552.71 km) |
| Southborough to Miedzyrzecz | 659.41 mi (1,061.22 km) |
| Southborough to Mielec | 924.71 mi (1,488.17 km) |
| Southborough to Mikolow | 816.81 mi (1,314.54 km) |
| Southborough to Milanowek | 875.06 mi (1,408.27 km) |
| Southborough to Milicz | 733.23 mi (1,180.03 km) |
| Southborough to Minsk Mazowiecki | 912.18 mi (1,468.02 km) |
| Southborough to Mlawa | 860.15 mi (1,384.27 km) |
| Southborough to Mogilno | 758.91 mi (1,221.34 km) |
| Southborough to Monki | 961.59 mi (1,547.54 km) |
| Southborough to Morag | 845.24 mi (1,360.28 km) |
| Southborough to Mosina | 712.32 mi (1,146.36 km) |
| Southborough to Mragowo | 900.48 mi (1,449.18 km) |
| Southborough to Murowana Goslina | 719.66 mi (1,158.18 km) |
