McDonald's

Fast food restaurant · 2915 State Hwy K, O'Fallon, MO

To-Go · Delivery

Hours

• Mon 6 AM–4 AM
• Tue 5 AM–4 AM
• Wed 5 AM–4 AM
• Thu 5 AM–4 AM
• Fri 5 AM–4 AM
• Sat 5 AM–4 AM
• Sun 5 AM–4 AM

Popular items (As of 10/29)

• Big Mac®
• Quarter Pounder®^ with Cheese
• 4 Piece Chicken McNuggets®
• Mccrispy Chicken Sandwich
• Filet-O-Fish®

See full menu