You can measure the distance between 2 or more points on the map. For example, you can measure the mileage in a straight line between 2 cities.
- On your iPhone or iPad, open the Google Maps app
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- Touch and hold anywhere on the map that isn’t a place’s name or icon. A red pin appears.
- Select Measure distance
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- Move the map so that the black circle is on the next point you want to add.
- At the bottom right, tap Add point
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- At the bottom, you can find the total distance in miles (mi) and kilometers (km).
- Tip: You can add multiple points.
- To remove the last point you added, tap Undo
. To clear all points, at the top right, tap More
Clear.
- When finished, tap the back arrow in the top left.
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. To clear all points, at the top right, tap More 
Clear.