European route E80, also known as Trans-European Motorway or TEM, is an A-Class West-East European route, extending from Lisbon, Portugal to Gürbulak, Turkey, on the border with Iran. The road connects 10 countries and has a length of approximately 6,102 kilometres (3,792 mi). At its eastern end it joins end-on with Asian Highway AH1 which continues all the way to Japan.

Source: https://en.wikipedia.org/wiki/European_route_E80