Wendy's
What San Francisco is missing out on: Chili, Frostys, and the Baconator. Wendy's is the No. 5 top chain for fast food in the U.S., according to the QSR list.
Closest location to San Francisco: There used to be one in the heart of downtown San Francisco, but it's since shuttered. The closest one is 6.7 miles away in Daly City, or a quick BART ride from city center.
Dunkin' Donuts
What San Francisco is missing out on: East Coasters love its donuts (especially the Boston Kreme flavor) and its coffee.
Closest location to San Francisco: Not all hope is lost. Dunkin' Donuts opened its first location in Walnut Creek, 21 miles from the city, but it's planning on opening more.
Chick-fil-A
What San Francisco is missing out on: This southern chain is all about chicken, especially the Original Chicken Sandwich. Chick-fil-A's is the No. 8 top chain for fast food in the U.S. behind Dunkin' Donuts, according to the QSR list.
Closest location to San Francisco: You can head east to Walnut Creek or south to Sunnyvale for the closest restaurants in the Bay Area.
Sonic Drive in
What San Francisco is missing out on: America's favorite drive-in, complete with roller skating carhops, an array of ice cream shakes, and tons of slushies.
Closest location to San Francisco: Sonic lovers will have to drive 23 miles to Hayward to get the drive in experience.
Dairy Queen
What San Francisco is missing out on: The ice cream stand (and food chain) is known for its Blizzards and the famous Dairy Queen chocolate dipped cone.
Closest location to San Francisco: Inching closer to the San Francisco county line, Dairy Queen is in Daly City, at least somewhat accessible by San Francisco's public transit.
Arby's
What San Francisco is missing out on: Roast beef sandwiches and curly fries. Wendy's is the No. 18 top chain for fast food in the U.S., according to the QSR list.
Closest location to San Francisco: South San Francisco (which, despite the name, is a different city and county).
Whataburger
What San Francisco is missing out on: The Southern burger chain is known for the Whataburger, the Justaburger, and the Whatachick'n. Don't forget the A.1. Thick and Hearty double patty burger either.
Closest location to San Francisco: The Texas burger chain hasn't expanded west past Arizona yet.
Zaxby's
What San Francisco is missing out on: The coating on the chicken tenders is unlike any other fast food chain, and don't forget the dipping sauces.
Closest location to San Francisco: Located primarily in the South, Zaxby's has a few locations in Utah.
Five Guys
What San Francisco is missing out on: Every restaurant has free roasted peanuts, but the real star is the eggier bun on its made-to-order burgers.
Closest location to San Francisco: A location in Alameda is a short ferry ride from the city.
Culver's
What San Francisco is missing out on: You go to Culver's for two things: Butterburgers and Frozen Custard.
Closest location to San Francisco: It's a toss-up between Utah and Arizona.
Bojangles
What San Francisco is missing out on: Chicken 'n Biscuits. Despite only being in the southeast, Bojangles is No. 28 for fast food chains in the U.S., beating brands like Krispy Kreme, Jamba Juice, and White Castle.
Closest location to San Francisco: This would require a trip to Kentucky or Tennessee.
Steak 'n Shake
What San Francisco is missing out on: Shoestring fries, milkshakes, and Steakburgers. This Midwest chain has spread throughout the U.S., but it has never made it to the Bay Area.
Closest location to San Francisco: There's a few locations around Los Angeles, but it might be a faster road trip to head to Reno, Nevada.