By default, you are shown the closest people to your location automatically. Premium members can expand their search beyond their current location and match with people globally, in specific countries.

Premium members have the option to search by specific city/country and change the distance filter to Worldwide.
  1. In the Preference screen, change your default location by tapping on your location
  2. Then tap ‘Add a new location’ 
  3. Drop a pin in the country you want or search for a location
  4. Return to the Location screen and make sure the blue check is on that new location
  5. Finally, change the distance filter from Nationwide to Worldwide