This page displays the approximate flight duration time for a non-stop flight. The actual travel time may differ depending on the type and speed of the aircraft. Also note that the calculated distance between the two cities of Chicago and Vilnius is the direct air distance (distance as the crow flies). Traveling on land involves larger distances.
Time difference between Chicago and Vilnius
USA and Lithuania air distance
Air distance from Chicago to cities near Vilnius:
latitude: 41° 51' North
longitude: 87° 41' West
latitude: 54° 40' North
longitude: 25° 19' East