Distance From Killeen-Fort Hood Regional Airport / Robert Gray Army Air Field to İstanbul Airport, GRK - IST Distance

The distance from Killeen-Fort Hood Regional Airport / Robert Gray Army Air Field (GRK) to İstanbul Airport (IST) is 6390 miles or 10284 kilometers or 5549 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 Killeen ( United States ) to Arnavutköy, Istanbul ( Turkey )?

A one-way nonstop (direct) flight between Killeen and Arnavutköy, Istanbul takes around 14 hours 41 minutes.

Estimated flight time from Killeen-Fort Hood Regional Airport / Robert Gray Army Air Field, Killeen, United States to İstanbul Airport, Arnavutköy, Istanbul, Turkey is 14 hours 41 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 • GRK - IST

Kilometers		10284 km
Statute Miles		6390 miles
Nautical Miles		5549 nm
Avg. Time of Flight		14 hours 41 minutes

Killeen-Fort Hood Regional Airport / Robert Gray Army Air Field to İstanbul Airport Flight Route Map - GRK to IST Flight Path

Location of Killeen-Fort Hood Regional Airport / Robert Gray Army Air Field & İstanbul Airport is given below.
Click the map to view Killeen to Arnavutköy, Istanbul nonstop flight path and travel direction.

Click to see flight route on Google Map between Killeen, United States and Arnavutköy, Istanbul, Turkey. .

Nonstop flight route between Killeen, United States and Arnavutköy, Istanbul, Turkey.

Time Difference Between the Airports • GRK - IST

Time difference between Killeen (United States) and Arnavutköy, Istanbul (Turkey) is 10 Hours.
Arnavutköy, Istanbul time is 10 Hours ahead of Killeen.

Location	Local Time
Killeen (United States)	2025-12-16, 01:34:52 MST
Arnavutköy, Istanbul (Turkey)	2025-12-16, 11:34:52 +03

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

Killeen-Fort Hood Regional Airport / Robert Gray Army Air Field (GRK / KGRK) Killeen, United States

Destination

İstanbul Airport (IST / LTFM) Arnavutköy, Istanbul, Turkey