Distance From Boundary Airport to Sanya Phoenix International Airport, BYA - SYX Distance

The distance from Boundary Airport (BYA) to Sanya Phoenix International Airport (SYX) is 5646 miles or 9086 kilometers or 4903 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 Boundary ( United States ) to Sanya (Tianya) ( China )?

A one-way nonstop (direct) flight between Boundary and Sanya (Tianya) takes around 12 hours 58 minutes.

Estimated flight time from Boundary Airport, Boundary, United States to Sanya Phoenix International Airport, Sanya (Tianya), China is 12 hours 58 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 • BYA - SYX

Kilometers		9086 km
Statute Miles		5646 miles
Nautical Miles		4903 nm
Avg. Time of Flight		12 hours 58 minutes

Boundary Airport to Sanya Phoenix International Airport Flight Route Map - BYA to SYX Flight Path

Location of Boundary Airport & Sanya Phoenix International Airport is given below.
Click the map to view Boundary to Sanya (Tianya) nonstop flight path and travel direction.

Click to see flight route on Google Map between Boundary, United States and Sanya (Tianya), China. .

Nonstop flight route between Boundary, United States and Sanya (Tianya), China.

Time Difference Between the Airports • BYA - SYX

Time difference between Boundary (United States) and Sanya (Tianya) (China) is 17 Hours.
Sanya (Tianya) time is 17 Hours ahead of Boundary.

Location	Local Time
Boundary (United States)	2025-12-06, 20:44:57 AKST
Sanya (Tianya) (China)	2025-12-07, 13:44:57 CST

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

Boundary Airport (BYA / BYA) Boundary, United States

Destination

Sanya Phoenix International Airport (SYX / ZJSY) Sanya (Tianya), China