| Acton to Melzo | 606.75 mi (976.48 km) |
| Acton to Mendicino | 1,158.71 mi (1,864.77 km) |
| Acton to Menfi | 1,157.07 mi (1,862.12 km) |
| Acton to Mentana | 894.37 mi (1,439.35 km) |
| Acton to Merano | 614.95 mi (989.67 km) |
| Acton to Merate | 597.33 mi (961.31 km) |
| Acton to Mercato San Severino | 1,029.45 mi (1,656.74 km) |
| Acton to Mercogliano | 1,021.16 mi (1,643.40 km) |
| Acton to Mesagne | 1,144.69 mi (1,842.21 km) |
| Acton to Messina | 1,197.96 mi (1,927.94 km) |
| Acton to Mestre | 706.35 mi (1,136.75 km) |
| Acton to Mestrino | 690.98 mi (1,112.03 km) |
| Acton to Milan | 600.95 mi (967.13 km) |
| Acton to Milazzo | 1,186.88 mi (1,910.09 km) |
| Acton to Minerbio | 720.24 mi (1,159.12 km) |
