You can find the nearest Burger King Coca-Cola Freestyle location at: https://www.coca-colafreestyle.com/find-freestyle-locations/burgerking/. Not all Burger King restaurants have a Coca-Cola Freestyle fountain.
Surge was first introduced in 1996 as a competitor to Mountain Dew but was discontinued in 2003. It was re-released in 2014 and again in 2015 in the eastern United States. If you don't happen to live in the eastern United States, Burger King might be your best bet.
Photo by Xela.