Grand Junction Grilled Subs - Mandan Share: Restaurants Grand Junction Grilled Subs - Mandan 4524 Memorial Highway, Ste #108 Mandan, ND 58554 (701) 595-7827 About Map About Grand Junction offers gourmet sub sandwiches grilled to perfection right before your eyes and fresh-cut fries that will have your taste buds celebrating! What's Nearby? Distance: 5 10 15 20 25 50 mi.