China Southern Airlines flight CZ8 139 took off from Wuhan Tianhe International Airport and landed at Islamabad International Airport, Pakistan, with a straight-line distance of 3,885 kilometers and an estimated flight time of 4,845 kilometers in the air, with a planned time of 6 hours and 25 minutes.

Pakistan is called Islamic Republic of Pakistan for short. Pakistan is located in the northwest of the South Asian subcontinent, bordering the Arabian Sea in the south and India in the east.