Check Out Tutorial How To Add Some Stops To Google Maps
Interestingly, in Google Maps you can not only find a way to one destination, but more than that, Google provides a feature that allows you to add some stops you want to go to, in addition to your main goal.
If you haven't added a few stops to Google Maps, you can do the following steps:
Adding a stop on Google Maps via phone
Adding a stop on Google Maps via the website
Since you can't possibly view Google Maps navigation on your laptop or PC, you can send that route to your phone by Clicking Sending directions to your phone on Google's website. Then use the options provided to send your route to your phone via notification, email, or text message.