Distance From Gangtok Helipad to Islamabad International Airport

The distance from Gangtok Helipad () to Islamabad International Airport (ISB) is 1032 miles or 1661 kilometers or 896 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 Gangtok ( India ) to Attock ( Pakistan )?

A one-way nonstop (direct) flight between Gangtok and Attock takes around 2 hours 22 minutes.

Estimated flight time from Gangtok Helipad, Gangtok, India to Islamabad International Airport, Attock, Pakistan is 2 hours 22 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 • - ISB

Kilometers		1661 km
Statute Miles		1032 miles
Nautical Miles		896 nm
Avg. Time of Flight		2 hours 22 minutes

Gangtok Helipad to Islamabad International Airport Flight Route Map - to ISB Flight Path

Location of Gangtok Helipad & Islamabad International Airport is given below.
Click the map to view Gangtok to Attock nonstop flight path and travel direction.

Click to see flight route on Google Map between Gangtok, India and Attock, Pakistan. .

Nonstop flight route between Gangtok, India and Attock, Pakistan.

Time Difference Between the Airports • - ISB

Time difference between Gangtok (India) and Attock (Pakistan) is 0 Hours 30 Minutes.
Attock time is 0 Hours 30 Minutes behind Gangtok.

Location	Local Time
Gangtok (India)	2026-03-18, 13:31:45 IST
Attock (Pakistan)	2026-03-18, 13:01:45 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

Gangtok Helipad ( / ) Gangtok, India

Destination

Islamabad International Airport (ISB / OPIS) Attock, Pakistan