| Plymstock to Montijo | 800.48 mi (1,288.25 km) |
| Plymstock to Montilla | 882.98 mi (1,421.01 km) |
| Plymstock to Montmelo | 679.56 mi (1,093.65 km) |
| Plymstock to Montornes del Valles | 680.57 mi (1,095.27 km) |
| Plymstock to Montoro | 852.75 mi (1,372.36 km) |
| Plymstock to Monzon | 618.29 mi (995.04 km) |
| Plymstock to Mora | 737.58 mi (1,187.02 km) |
| Plymstock to Moralzarzal | 668.98 mi (1,076.62 km) |
| Plymstock to Moron de la Frontera | 916.91 mi (1,475.62 km) |
| Plymstock to Mostoles | 692.65 mi (1,114.71 km) |
| Plymstock to Motril | 940.58 mi (1,513.71 km) |
| Plymstock to Muchamiel | 844.32 mi (1,358.81 km) |
| Plymstock to Mula | 860.43 mi (1,384.72 km) |
| Plymstock to Munguia | 487.34 mi (784.29 km) |
| Plymstock to Murcia | 867.05 mi (1,395.38 km) |
