Distance From Buchanan Ranch Airport to Noi Bai International Airport

The distance from Buchanan Ranch Airport () to Noi Bai International Airport (HAN) is 7159 miles or 11521 kilometers or 6217 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.

---

How long does it take to travel from Great Falls ( United States ) to Hanoi (Soc Son) ( Vietnam )?

A one-way nonstop (direct) flight between Great Falls and Hanoi (Soc Son) takes around 16 hours 27 minutes.

Estimated flight time from Buchanan Ranch Airport, Great Falls, United States to Noi Bai International Airport, Hanoi (Soc Son), Vietnam is 16 hours 27 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 • - HAN

Kilometers		11521 km
Statute Miles		7159 miles
Nautical Miles		6217 nm
Avg. Time of Flight		16 hours 27 minutes

Buchanan Ranch Airport to Noi Bai International Airport Flight Route Map - to HAN Flight Path

Location of Buchanan Ranch Airport & Noi Bai International Airport is given below.
Click the map to view Great Falls to Hanoi (Soc Son) nonstop flight path and travel direction.

Click to see flight route on Google Map between Great Falls, United States and Hanoi (Soc Son), Vietnam. .

Nonstop flight route between Great Falls, United States and Hanoi (Soc Son), Vietnam.

Time Difference Between the Airports • - HAN

Time difference between Great Falls (United States) and Hanoi (Soc Son) (Vietnam) is 13 Hours.
Hanoi (Soc Son) time is 13 Hours ahead of Great Falls.

Location	Local Time
Great Falls (United States)	2026-09-23, 03:49:10 MDT
Hanoi (Soc Son) (Vietnam)	2026-09-23, 16:49:10 +07

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

Buchanan Ranch Airport ( / MT75) Great Falls, United States

Destination

Noi Bai International Airport (HAN / VVNB) Hanoi (Soc Son), Vietnam