| Plymstock to Melzo | 708.19 mi (1,139.72 km) |
| Plymstock to Mendicino | 1,248.53 mi (2,009.31 km) |
| Plymstock to Menfi | 1,217.10 mi (1,958.74 km) |
| Plymstock to Mentana | 982.88 mi (1,581.79 km) |
| Plymstock to Merano | 741.38 mi (1,193.14 km) |
| Plymstock to Merate | 701.41 mi (1,128.81 km) |
| Plymstock to Mercato San Severino | 1,121.41 mi (1,804.74 km) |
| Plymstock to Mercogliano | 1,113.99 mi (1,792.79 km) |
| Plymstock to Mesagne | 1,250.87 mi (2,013.08 km) |
| Plymstock to Messina | 1,277.68 mi (2,056.23 km) |
| Plymstock to Mestre | 825.13 mi (1,327.93 km) |
| Plymstock to Mestrino | 806.81 mi (1,298.44 km) |
| Plymstock to Milan | 700.28 mi (1,126.99 km) |
| Plymstock to Milazzo | 1,264.87 mi (2,035.62 km) |
| Plymstock to Minerbio | 825.46 mi (1,328.45 km) |
