These instructions work for the Google Maps app on iOS or Android.
Scroll down and selectSettings.
Scroll down and go toNavigation prefs.

Select a voice from the list.
Google Maps offers several languages and dialects.
The Spanish language also has multiple geographical options, as do other widely used languages, such as French.

Can You Use Google Assistant Voices on Google Maps?
Google Maps and Google Assistant are separate entities.
Plus, Waze lets you record your voice.
Then selectDirections to here.
Mobile users should tap and hold the location on the map.
Todownload a map to be used offline, perform tap and hold on the map, then swipe left.
Tomeasure distance on Google Maps, tap and hold to pin the first location on the map.
Swipe up on the location’s name and selectMeasure distance.
Next, move the map until the circle is on the second location.
The distance between the two spots will appear at the bottom of the screen.