It is more convenient to look for directions on your PC, which comes with the convenience of bigger display and a physical keyboard. If you have the latest Google Maps update (v9.11.0) on Android, you can further enjoy the convenience of directly sending these directions to your portable Android gadget, which you can comfortably carry with you.
If you have signed in on chrome using your account, you will see a send to option on the bottom of the location card you have searched. You can click the send to option and select the device you want to send directions to and save yourself botheration to search once again.
There are several other apps and ways you can use to achieve the same goal, but adding the feature to native Google Maps will definitely be a plus point. You can also search for Send direction on Google Search page to directly send directions to your Android device.