(A) 518 KM
(B) 589 KM
(C) 599 KM
(D) 619 KM
🧠 Explanation:
- The Pakistan-China border lies in the northern region of Pakistan, primarily connecting Gilgit-Baltistan with China's Xinjiang province.
- This border runs through rugged mountainous terrain and includes the Khunjerab Pass, which is the highest paved border crossing in the world.
- The total length of the Pakistan-China border is approximately 599 kilometers.
- This border is strategically significant and is part of the China-Pakistan Economic Corridor (CPEC) project.