- To: Harford Gymnastics - 701 Whitaker Mill Road, Joppa, MD 21085
HARFORD GYMNASTICS is located at: 701 Whitaker Mill Rd. Joppa, MD 21085. We are conveniently located One Mile off of Bel Air Road (Rt. 1) in the Benson Area of Bel Air/Fallston. We are five minutes from the Harford Mall and 10 minutes north of Perry Hall and 10 minutes from Joppatowne.