| Plymstock to Masanasa | 777.50 mi (1,251.27 km) |
| Plymstock to Masquefa | 673.77 mi (1,084.32 km) |
| Plymstock to Matadepera | 671.72 mi (1,081.03 km) |
| Plymstock to Mazarron | 892.11 mi (1,435.71 km) |
| Plymstock to Meco | 678.32 mi (1,091.65 km) |
| Plymstock to Medina del Campo | 627.02 mi (1,009.10 km) |
| Plymstock to Medina Sidonia | 964.01 mi (1,551.42 km) |
| Plymstock to Mejorada del Campo | 689.02 mi (1,108.87 km) |
| Plymstock to Meliana | 770.04 mi (1,239.26 km) |
| Plymstock to Mengibar | 856.08 mi (1,377.73 km) |
| Plymstock to Merida | 799.14 mi (1,286.10 km) |
| Plymstock to Miajadas | 780.30 mi (1,255.77 km) |
| Plymstock to Mieres | 497.39 mi (800.46 km) |
| Plymstock to Miguelturra | 787.02 mi (1,266.58 km) |
| Plymstock to Mijas | 950.89 mi (1,530.31 km) |
