Recipes
Restaurants
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Missouri
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O'Fallon
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Wendy's
Wendy's
O'Fallon, MO
1400 Mexico Loop Rd E, O'Fallon, MO, 63366-6015
31 items
Updated March 10, 2026
Structured menu data
Breakfast
Locations
Lunch/Dinner
Breakfast
Biscuits
Breakfast Biggie Deals
Breakfast Burrito
Breakfast Combos
Breakfast Meal Deals
Classics
Croissants
Sides and Sweets
Locations
Breakfast
Coca-Cola Freestyle©
Favorites
Get It Delivered
Get all your Wendy’s favorites delivered right to your door.
Mobile Ordering
Mobile Payment
Open 24 Hours
Open Late
Wi-Fi
Lunch/Dinner
Bakery
Beverages
Biggie Deals®
Chicken, Nuggets & More
Coffee
Combos
Everyday Value
Fresh-Made Salads
Fries & Sides
Frosty®
Give Something Back
Hamburgers
Tenders
Wendy's Kids' Meal®
