Distance From Thorne Bay Seaplane Base to Sanya Phoenix International Airport, KTB - SYX Distance

The distance from Thorne Bay Seaplane Base (KTB) to Sanya Phoenix International Airport (SYX) is 6188 miles or 9958 kilometers or 5374 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 Thorne Bay ( United States ) to Sanya (Tianya) ( China )?

A one-way nonstop (direct) flight between Thorne Bay and Sanya (Tianya) takes around 14 hours 13 minutes.

Estimated flight time from Thorne Bay Seaplane Base, Thorne Bay, United States to Sanya Phoenix International Airport, Sanya (Tianya), China is 14 hours 13 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 • KTB - SYX

Kilometers		9958 km
Statute Miles		6188 miles
Nautical Miles		5374 nm
Avg. Time of Flight		14 hours 13 minutes

Thorne Bay Seaplane Base to Sanya Phoenix International Airport Flight Route Map - KTB to SYX Flight Path

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

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

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

Time Difference Between the Airports • KTB - SYX

Time difference between Thorne Bay (United States) and Sanya (Tianya) (China) is 16 Hours.
Sanya (Tianya) time is 16 Hours ahead of Thorne Bay.

Location	Local Time
Thorne Bay (United States)	2026-05-07, 07:11:01 AKDT
Sanya (Tianya) (China)	2026-05-07, 23:11:01 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

Thorne Bay Seaplane Base (KTB / KTB) Thorne Bay, United States

Destination

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