| Southborough to Mozzate | 548.65 mi (882.96 km) |
| Southborough to Muggia | 727.34 mi (1,170.55 km) |
| Southborough to Muggio | 562.24 mi (904.84 km) |
| Southborough to Mugnano di Napoli | 970.97 mi (1,562.63 km) |
| Southborough to Musile di Piave | 680.62 mi (1,095.35 km) |
| Southborough to Mussomeli | 1,146.79 mi (1,845.57 km) |
| Southborough to Naples | 976.40 mi (1,571.36 km) |
| Southborough to Nardo | 1,139.80 mi (1,834.32 km) |
| Southborough to Narni | 829.72 mi (1,335.31 km) |
| Southborough to Nembro | 573.06 mi (922.26 km) |
| Southborough to Nepi | 838.86 mi (1,350.01 km) |
| Southborough to Nerviano | 556.48 mi (895.57 km) |
| Southborough to Nettuno | 891.36 mi (1,434.50 km) |
| Southborough to Nichelino | 544.88 mi (876.89 km) |
| Southborough to Nicosia | 1,155.23 mi (1,859.16 km) |
