Distance From North Texas Regional Airport/Perrin Field to Islamabad International Airport, PNX - ISB Distance

The distance from North Texas Regional Airport/Perrin Field (PNX) to Islamabad International Airport (ISB) is 7740 miles or 12456 kilometers or 6721 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Sherman/Denison ( United States ) to Attock ( Pakistan )?

A one-way nonstop (direct) flight between Sherman/Denison and Attock takes around 17 hours 47 minutes.

Estimated flight time from North Texas Regional Airport/Perrin Field, Sherman/Denison, United States to Islamabad International Airport, Attock, Pakistan is 17 hours 47 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • PNX - ISB

Kilometers		12456 km
Statute Miles		7740 miles
Nautical Miles		6721 nm
Avg. Time of Flight		17 hours 47 minutes

North Texas Regional Airport/Perrin Field to Islamabad International Airport Flight Route Map - PNX to ISB Flight Path

Location of North Texas Regional Airport/Perrin Field & Islamabad International Airport is given below.
Click the map to view Sherman/Denison to Attock nonstop flight path and travel direction.

Click to see flight route on Google Map between Sherman/Denison, United States and Attock, Pakistan. .

Nonstop flight route between Sherman/Denison, United States and Attock, Pakistan.

Time Difference Between the Airports • PNX - ISB

Time difference between Sherman/Denison (United States) and Attock (Pakistan) is 10 Hours.
Attock time is 10 Hours ahead of Sherman/Denison.

Location	Local Time
Sherman/Denison (United States)	2025-12-16, 10:13:55 EST
Attock (Pakistan)	2025-12-16, 20:13:55 PKT

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

North Texas Regional Airport/Perrin Field (PNX / KGYI) Sherman/Denison, United States

Destination

Islamabad International Airport (ISB / OPIS) Attock, Pakistan