Maryland Route 63 is a state highway in the U.S. state of Maryland. The state highway runs 16.99 miles (27.34 km) from MD 65 in Fairplay north to the Pennsylvania state line near Cearfoss, where the highway continues as Pennsylvania Route 163. MD 63 is an L-shaped route that passes through central Washington County on the south and west sides of Hagerstown. The state highway connects with multiple local and long-distance highways that serve Hagerstown, including Interstate 81 (I-81) and U.S. Route 11 in Williamsport and I-70 and US 40 in Huyett. MD 63 also joins MD 68 in a concurrency through Williamsport.

Maryland Route 65 is a state highway in the U.S. state of Maryland. Known for most of its length as Sharpsburg Pike, the state highway runs 11.75 miles (18.91 km) from MD 34 in Sharpsburg north to the southern end of Hagerstown, where the highway continues north as Potomac Street toward the downtown area. MD 65 connects central and southern Washington County and serves as the primary access point to Antietam National Battlefield. The state highway, which was originally laid out as a turnpike, was constructed in its modern form in the mid-1920s. MD 65 was rebuilt in the early 1950s and relocated through Antietam National Battlefield by the early 1980s.