Distance From Prince William Hospital Heliport to Chiang Mai International Airport

The distance from Prince William Hospital Heliport () to Chiang Mai International Airport (CNX) is 8455 miles or 13607 kilometers or 7343 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 Manassas ( United States ) to Chiang Mai ( Thailand )?

A one-way nonstop (direct) flight between Manassas and Chiang Mai takes around 19 hours 26 minutes.

Estimated flight time from Prince William Hospital Heliport, Manassas, United States to Chiang Mai International Airport, Chiang Mai, Thailand 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 • - CNX

Kilometers		13607 km
Statute Miles		8455 miles
Nautical Miles		7343 nm
Avg. Time of Flight		19 hours 26 minutes

Prince William Hospital Heliport to Chiang Mai International Airport Flight Route Map - to CNX Flight Path

Location of Prince William Hospital Heliport & Chiang Mai International Airport is given below.
Click the map to view Manassas to Chiang Mai nonstop flight path and travel direction.

Click to see flight route on Google Map between Manassas, United States and Chiang Mai, Thailand. .

Nonstop flight route between Manassas, United States and Chiang Mai, Thailand.

Time Difference Between the Airports • - CNX

Time difference between Manassas (United States) and Chiang Mai (Thailand) is 12 Hours.
Chiang Mai time is 12 Hours ahead of Manassas.

Location	Local Time
Manassas (United States)	2025-12-14, 23:04:38 EST
Chiang Mai (Thailand)	2025-12-15, 11:04:38 +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

Prince William Hospital Heliport ( / 27VA) Manassas, United States

Destination

Chiang Mai International Airport (CNX / VTCC) Chiang Mai, Thailand