Consulate General of the Republic of Lithuania represents Switzerland, Iceland, Liechtenstein, Latvia and now Portugal for issuing short term C type (less than 90 days) Schengen visas
Consulate General of the Republic of Lithuania represents Switzerland, Iceland, Liechtenstein, Latvia and Portugal for issuing short term C type (less than 90 days) Schengen visas for: tourism, business and family/friends visit.
You may submit your application by appointment ONLY. Please register for the appointment here: https://konsreg.urm.lt/en/visit/register/us4
You might find Schengen visa application form here: https://visa.vrm.lt/epm/pages/applications/applicationEdit.xhtml (in the application please choose Consulate General of Lithuania in Chicago as the consular post).
More information: http://chicago.mfa.lt/cikaga/en/travel-and-residence/coming-to-lithuania/visas/schengen-visas