After passing through the Gudvanga Tunnel, drivers pass through a number of other tunnels. About 500 metres (1,600 ft) east of the eastern exit from the Gudvanga Tunnel a new tunnel begins: the 5,053-metre (16,578 ft) long Flenja Tunnel which ends at Flåm. Approximately 1 kilometre (0.62 mi) after that tunnel is the 1,363-metre (4,472 ft) Fretheim Tunnel. About 7 kilometres (4.3 mi) further to the east (near Aurlandsvangen) is the entrance to the 24.5-kilometre (15.2 mi) long Lærdal Tunnel, which is the world's longest road tunnel. This means that in a 51.5 kilometres (32.0 mi) section of the E16, 43 kilometres (27 mi) of that distance consists of tunnels.