Distance From Great Falls International Airport to Kualanamu International Airport, GTF - KNO Distance

The distance from Great Falls International Airport (GTF) to Kualanamu International Airport (KNO) is 8457 miles or 13611 kilometers or 7345 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 Great Falls ( United States ) to Medan ( Indonesia )?

A one-way nonstop (direct) flight between Great Falls and Medan takes around 19 hours 26 minutes.

Estimated flight time from Great Falls International Airport, Great Falls, United States to Kualanamu International Airport, Medan, Indonesia is 19 hours 26 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 • GTF - KNO

Kilometers		13611 km
Statute Miles		8457 miles
Nautical Miles		7345 nm
Avg. Time of Flight		19 hours 26 minutes

Great Falls International Airport to Kualanamu International Airport Flight Route Map - GTF to KNO Flight Path

Location of Great Falls International Airport & Kualanamu International Airport is given below.
Click the map to view Great Falls to Medan nonstop flight path and travel direction.

Click to see flight route on Google Map between Great Falls, United States and Medan, Indonesia. .

Nonstop flight route between Great Falls, United States and Medan, Indonesia.

Time Difference Between the Airports • GTF - KNO

Time difference between Great Falls (United States) and Medan (Indonesia) is 13 Hours.
Medan time is 13 Hours ahead of Great Falls.

Location	Local Time
Great Falls (United States)	2026-08-08, 03:19:00 MDT
Medan (Indonesia)	2026-08-08, 16:19:00 WIB

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

Great Falls International Airport (GTF / KGTF) Great Falls, United States

Destination

Kualanamu International Airport (KNO / WIMM) Medan, Indonesia