Google quietly announced on Google+ that now some branded business queries may show an ad with two or three business locations to choose from when the searcher is within a specific mile radius of multiple locations.
If your business has multiple locations, your mobile search ads on Google can now show up to three different locations. The ad will contain links to get directions and make a call.
Here is a screen shot:
Here is more details about this in Google help.
Forum discussion at Google+.
