You can set Default start and end location over google maps using the direction tab.

Step 1 Go to Add or Edit Map and scroll down to ‘Tabs Settings’ section.
Step 2 Check the ‘Display Directions Tab’ inside the Display Tabs.(See Screenshot)
Step 3 Enter start and end location in ‘Default Start Location’ and ‘Default End Location’ Tab.

  • Start Location: Start location is the starting point of route, where the location route start from, origin city or place name.
  • End Location: End location is the end point of route, where the location route end, destination city or place name.

Start End Route

Step 4Save the map and open it in a browser.

Now You’ll see the default directions tab on the map.

Default Directions

Video Tutorial