在Google商家信息自动填充iOS API中包含距离

I am trying to implement an autocomplete box that looks like the google maps iOS app. In that app, the suggestions are sorted by distance with a label on the left showing the distance. I presume they are using the Places Autocomplete API but I can't get it to return the distance. Is there some sort of flag I can use to have the autocomplete function of Google Places return distance from device? Am I using the wrong API/function?I am trying to implement an autocomplete box th