| Sligo to Masquefa | 1,000.27 mi (1,609.78 km) |
| Sligo to Matadepera | 998.61 mi (1,607.10 km) |
| Sligo to Mazarron | 1,200.60 mi (1,932.17 km) |
| Sligo to Meco | 977.01 mi (1,572.34 km) |
| Sligo to Medina del Campo | 910.78 mi (1,465.76 km) |
| Sligo to Medina Sidonia | 1,235.95 mi (1,989.07 km) |
| Sligo to Mejorada del Campo | 986.95 mi (1,588.35 km) |
| Sligo to Meliana | 1,086.68 mi (1,748.84 km) |
| Sligo to Mengibar | 1,147.51 mi (1,846.75 km) |
| Sligo to Merida | 1,066.51 mi (1,716.37 km) |
| Sligo to Miajadas | 1,050.56 mi (1,690.71 km) |
| Sligo to Mieres | 770.89 mi (1,240.63 km) |
| Sligo to Miguelturra | 1,078.23 mi (1,735.25 km) |
| Sligo to Mijas | 1,234.38 mi (1,986.54 km) |
| Sligo to Miranda de Ebro | 839.09 mi (1,350.38 km) |
