How can multiple Retail Stores or Accounts be added to a route in SF Maps?

How can multiple Retail Stores or Accounts be added to a route in SF Maps?
A . By dragging an area over them in SF Maps, defining how much time to remain on each location (or when exactly the field sales rep must be there) and then using the Mass Action add to Route.
B. By performing a SOQL query in the context of an active layer

Answer: A