Arby's is conveniently located off of Highway K near Highway 70 in O'Fallon.  It serves breakfast, lunch and dinner and specializes in roast beef sandwiches and melts.  In addition to roast beef, it also sells chicken and club sandwiches, toasted subs, salads, side items and desserts.  This location offers dine-in, carry-out, and a drive-through window for your convenience. 
705 Highway K, O Fallon, MO 63366
(636) 240-1004
  • Fax: 636-240-1004
  • Fax: 732-566-8282
  • Accessibility Details: Parking
  • Accessibility Details: There is a sidewalk cut and ground floor entrance.
  • Hours: Mon, 4pm - 2am; Tue - Sat, 11:30am - 2am; Sun, 11am - midnight
  • Hours: Sun, 11am - 10:30pm; Mon - Wed ,10am - 11pm; Thur - Sat, 10am - midnight
  • Accessible: yes
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