This android app was mentioned in
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It displays the distance in feet until you get past one mile. If you're measuring distances on fairways, they should not be longer than one mile. Edit: in the web browser on a PC, this is true. On Google maps on an Android phone this is not true.
Edit: or, if you have Android, get the app, Maps Measure ([link]). Once you get your distance line, tap the menu icon in the lower left, tap Units and then it will display meters, km, feet, yards, miles, nautical miles, and area all on one screen.