Denny's - O'Fallon

Fast friendly service with great food! One of the few large American diners left. Breakfast rou...

I used the restroom at the location and it smells as if the sewer is venting into the men's res...

Went there to eat brunch and I order philly cheese steak omelet with avocado for my side and th...

Our experience was alright. The restaurant was very busy and they were under staffed, so orders...

During our visit it was understaffed (which is not today) and there were some rowing customers...