Location Wilson is located in Chambersburg, a historic and charming town in south central Pennsylvania. Chambersburg is centrally located 97 miles (156km) from Baltimore, MD, 96 miles (155km) from Washington, DC, and within easy driving distance of Harrisburg, Philadelphia and Pittsburgh, PA. Wilson’s beautiful 300-acre (121.5 hectares) campus is safe and secure and includes gracious lawns and rolling hills on the banks of the Conococheague Creek.