Enable JavaScript to see Google Maps. Tap the Info button small letter i at the top and select Mark My Location. There is also a way to measure the distance between various points.
For example you can measure the mileage in a straight line between two cities.
Tap the locations name. If you swipe your finger to the right on your display the dots will move to the left. How to Find Distance Using Google Maps on iPhone or iPad. How to measure on Google Maps on your phone.