The Compass Mode tool allows you to find your orientation and distance from features on the map.
Open the Map Tools Menu.
Tap the Compass Mode Button.
Compass mode hides and disables most of the buttons. As you turn your phone, your compass heading is visible at the top of the screen.
Use the readings on the left side of the screen to find your distance to features on the map.
Tap the lock button in the bottom right corner to lock the screen to the current orientation. When the screen is locked, you can turn without changing your compass orientation.
Tap the location button to exit compass mode.