Distance From Gregory Municipal Airport - Flynn Field to Noi Bai International Airport

The distance from Gregory Municipal Airport - Flynn Field () to Noi Bai International Airport (HAN) is 7705 miles or 12400 kilometers or 6691 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 Gregory ( United States ) to Hanoi (Soc Son) ( Vietnam )?

A one-way nonstop (direct) flight between Gregory and Hanoi (Soc Son) takes around 17 hours 42 minutes.

Estimated flight time from Gregory Municipal Airport - Flynn Field, Gregory, United States to Noi Bai International Airport, Hanoi (Soc Son), Vietnam is 17 hours 42 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		12400 km
Statute Miles		7705 miles
Nautical Miles		6691 nm
Avg. Time of Flight		17 hours 42 minutes

Gregory Municipal Airport - Flynn Field to Noi Bai International Airport Flight Route Map - to HAN Flight Path

Location of Gregory Municipal Airport - Flynn Field & Noi Bai International Airport is given below.
Click the map to view Gregory to Hanoi (Soc Son) nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • - HAN

Time difference between Gregory (United States) and Hanoi (Soc Son) (Vietnam) is 12 Hours.
Hanoi (Soc Son) time is 12 Hours ahead of Gregory.

Location	Local Time
Gregory (United States)	2026-09-22, 19:29:28 CDT
Hanoi (Soc Son) (Vietnam)	2026-09-23, 07:29:28 +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

Gregory Municipal Airport - Flynn Field ( / 9D1) Gregory, United States

Destination

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