| Healdsburg to Masanasa | 5,932.25 mi (9,547.03 km) |
| Healdsburg to Masquefa | 5,898.52 mi (9,492.75 km) |
| Healdsburg to Matadepera | 5,900.25 mi (9,495.53 km) |
| Healdsburg to Mazarron | 5,992.92 mi (9,644.68 km) |
| Healdsburg to Meco | 5,769.45 mi (9,285.03 km) |
| Healdsburg to Medina del Campo | 5,674.83 mi (9,132.76 km) |
| Healdsburg to Medina Sidonia | 5,876.54 mi (9,457.37 km) |
| Healdsburg to Mejorada del Campo | 5,775.22 mi (9,294.33 km) |
| Healdsburg to Meliana | 5,927.83 mi (9,539.92 km) |
| Healdsburg to Mengibar | 5,881.96 mi (9,466.11 km) |
| Healdsburg to Merida | 5,740.75 mi (9,238.84 km) |
| Healdsburg to Miajadas | 5,738.53 mi (9,235.27 km) |
| Healdsburg to Mieres | 5,547.90 mi (8,928.49 km) |
| Healdsburg to Miguelturra | 5,826.56 mi (9,376.93 km) |
| Healdsburg to Mijas | 5,919.41 mi (9,526.37 km) |
