Longest Tunnel of Pakistan is----

پاکستان کی سب سے لمبی سرنگ ہے---

Tarbella

Kalabagh

Khojak

All of the above

None of the above

Khojak tunnel connects Qila Abdullah with Chaman.

Khojak Tunnel was constructed in 1891.

The tunnel is one of the longest tunnels in South Asia, and is the longest in Pakistan, superseding the 3.91 km Khojak Tunnel in 2018.