How to Configure Distance Priority Algorithm for In-Store Delivery in Magento 2

Distance Priority Algorithm checks the shipping address location and source locations to show the nearest source to ship the order. 

You can find the settings in Admin -> stores -> Settings -> Configuration -> Catalog -> Inventory

Distance Provider for Distance Based SSA:

Provider [Google Map / Offline Calculation] Select the distance provider

• Google Maps You can set it up here Google Maps Platform
• Offline Calculations To set this option, download, and import geocodes using command-line instructions we recommend checking it out with a developer.

Last step: Click the Save Config. button in the upper right corner.

Google Distance Provider:

Google API key Geocoding API and Distance Matrix API must be enabled in your Google API key to support this feature.

Computation Mode [Driving / Walking / Bicycling]

• Driving (will be set as default) Ask for standard driving directions using the road network.
• Walking Ask for paths and sidewalks directions where is available.
• Bicycling Ask for walking directions via pedestrian paths & sidewalks where are available.

Value [Distance / Time to Destination] 

• Distance (This is set as Default) Will return the distance between the points in kilometers / meters or miles / feet.
• Time to Destination Will return the time in hours and minutes that are required to go from source locations to the shipping address.

When complete, click Save Config.