Hours Of Operations GNC Minnesota Willmar GNC Hours of Operation and Locations in Willmar, MN 4.9 - 150 votes 1 Locations in Willmar GNC Hours Category: Beauty & Health GNC - Willmar, MN 56201 1605 First Street South(320) 235-1861 View Store Details Explore WillmarView More Apparel CarharttJCPenneyFoot LockerVisionworksCatherines Sports TargetVansSnap FitnessRunnings Farm & FleetDunham's Sports Jewelry Herberger's Recommend For You Cotton on Bally Total Fitness Eastern Mountain Sports Trader Joe's The Athlete's Foot Diane's Beachwear Bottega Veneta Hanna Andersson Louis Vuitton Sportsman's Warehouse