Tap Mark My Location to drop a marker on the map. Click Calculate Distance and the tool will place a marker at each of the two addresses on the map along with a line between them. It uses online maps so it needs an internet connection.
Draw a route on the map to find its distance area.
Choose the Edit Location button below the map. You can try it on the App Store although there is to say that for this feature you can use the popular Google Maps. Click Calculate Distance and the tool will place a marker at each of the two addresses on the map along with a line between them. This app lets you measure the point-to-point great-circle distance between two or more waypoints on a map or measure the surface area defined by a polygon having three or more points as its corners.