SONIC Drive-Ins and drive-thrus are open! Enjoy SONIC Drive-In from the comfort and safety of your car. Plus, the SONIC App offers contactless ordering and payment using your smartphone, along with exclusive deals and rewards...
745 W Highway 50 (at N Green Mount) O'Fallon , IL 62269 United States
| Credit Cards | Yes |
| Outdoor Seating | Yes |
The diet strawberry limeade is delicious!!
Always check your order if you visit this sonic! !
Enjoying my favorite chili cheese dog for half price today ;-)
Make sure to specify if you want your BLT hot
Love Sonic but the drive thru takes forever!
Slowest service ever. I'm glad I only order drinks from here.
This place is awesome! Ask for Turtle !
Today has been a lazy, relaxing day not cooked nor prepared one meal - my husband has treated me all day long - Linda G
I love the French fries! Also, the custard is the best in the area! - Tiffany Tergesen
Smothered hashbrowns and xtreme bacon egg and cheese biscuit are the bomb - ???? ???? Mz. Cupcakes ???? ????
Buy your movie theater candy here before hitting up the O'Fallon 15! :)) - Brandy Willett