| Grays to Masanasa | 834.47 mi (1,342.94 km) |
| Grays to Masquefa | 692.52 mi (1,114.51 km) |
| Grays to Matadepera | 686.73 mi (1,105.19 km) |
| Grays to Mazarron | 962.13 mi (1,548.40 km) |
| Grays to Meco | 774.44 mi (1,246.34 km) |
| Grays to Medina del Campo | 745.68 mi (1,200.05 km) |
| Grays to Medina Sidonia | 1,081.50 mi (1,740.51 km) |
| Grays to Mejorada del Campo | 785.72 mi (1,264.49 km) |
| Grays to Meliana | 826.16 mi (1,329.57 km) |
| Grays to Mengibar | 954.69 mi (1,536.42 km) |
| Grays to Merida | 926.50 mi (1,491.06 km) |
| Grays to Miajadas | 905.66 mi (1,457.51 km) |
| Grays to Mieres | 635.53 mi (1,022.78 km) |
| Grays to Miguelturra | 888.59 mi (1,430.04 km) |
| Grays to Mijas | 1,056.29 mi (1,699.94 km) |
