Guinness World Record - the longest non-stop double track cable car

The Guinness  World Record website states: 

The longest non-stop double track cable car is 5,752 m (18,871 ft) and was achieved by the Tatev Aerial Tramway in collaboration with National Competitiveness Foundation of Armenia, in Tatev, Armenia, on 16 October 2010.

http://www.guinnessworldrecords.com/records-8000/longest-non-stop-double-track-cable-car/