McDonald's

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101 McDonald Ln

O Fallon, MO 63366

+1 (636) 240-8600

https://www.mcdonalds.com

Perched in O Fallon, MO, this McDonald's outlet brings a taste of the iconic fast-food chain's offerings to the local community. Established in 1940, McDonald's has become synonymous with quick service and beloved menu items like the Big Mac, Quarter Pounder with Cheese, and Chicken McNuggets. Whether you're craving a classic burger or a breakfast sandwich like the Egg McMuffin, this establishment caters to a wide range of tastes with its diverse menu.

Aside from its famous food items, McDonald's also provides a selection of sides, beverages, and desserts to round out your meal. Indulge in World Famous Fries, sip on refreshing Coca-Cola products or milkshakes, and treat yourself to a sweet ending with hot fudge sundaes or apple pies. With its convenient location and familiar offerings, this McDonald's outlet in O Fallon, MO, stands as a go-to spot for a quick and satisfying dining experience.

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Reviews

1.535 reviews

Michael S.

5/15/2024

I ordered two items and one was incorrect: A 50-percent success/failure rate. I received a four-piece McNugget pack instead of the ordered small fries. I should have checked the order when it was...

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Megan M.

8/10/2025

Said they were open 24/7 and they were CLOSED. At least put the correct times so people don't WASTE their time.

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Chad G.

6/8/2025

Check your bag before you drive away. I swear they just give you whatever they want to. 2 times in a row. They have messed up my order.

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Jaiden M.

9/29/2024

Two weeks in a row I ordered a biscuit, and I was given a McGriddle. Today (9-29) I went inside to get the right sandwich, and my sister and I were left standing there for 10-15 minutes, while MEN...

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Patricia T.

9/12/2023

I need 85 characters to post a review. I came here to say the gentleman who brought my food to the car was obviously baked (and not in a good way), and the food is 100% not edible.

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McDonald's

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"My order through the app was ready for pickup when I arrived. Was the sandwich made correctly? No. The receipt attached to it had the correct customization, so incorrect ordering wasn't the..."