| Grays to Montijo | 930.70 mi (1,497.82 km) |
| Grays to Montilla | 989.88 mi (1,593.06 km) |
| Grays to Montmelo | 691.41 mi (1,112.72 km) |
| Grays to Montornes del Valles | 692.23 mi (1,114.03 km) |
| Grays to Montoro | 957.70 mi (1,541.26 km) |
| Grays to Monzon | 660.91 mi (1,063.63 km) |
| Grays to Mora | 838.19 mi (1,348.94 km) |
| Grays to Moralzarzal | 773.79 mi (1,245.29 km) |
| Grays to Moron de la Frontera | 1,031.26 mi (1,659.65 km) |
| Grays to Mostoles | 795.48 mi (1,280.19 km) |
| Grays to Motril | 1,034.77 mi (1,665.29 km) |
| Grays to Muchamiel | 903.24 mi (1,453.62 km) |
| Grays to Mula | 932.35 mi (1,500.47 km) |
| Grays to Munguia | 580.24 mi (933.81 km) |
| Grays to Murcia | 934.69 mi (1,504.25 km) |
