Distance From National Harbor Heliport to Sanya Phoenix International Airport

The distance from National Harbor Heliport () to Sanya Phoenix International Airport (SYX) is 8470 miles or 13631 kilometers or 7355 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 Oxon Hill ( United States ) to Sanya (Tianya) ( China )?

A one-way nonstop (direct) flight between Oxon Hill and Sanya (Tianya) takes around 19 hours 28 minutes.

Estimated flight time from National Harbor Heliport, Oxon Hill, United States to Sanya Phoenix International Airport, Sanya (Tianya), China is 19 hours 28 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 • - SYX

Kilometers		13631 km
Statute Miles		8470 miles
Nautical Miles		7355 nm
Avg. Time of Flight		19 hours 28 minutes

National Harbor Heliport to Sanya Phoenix International Airport Flight Route Map - to SYX Flight Path

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

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

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

Time Difference Between the Airports • - SYX

Time difference between Oxon Hill (United States) and Sanya (Tianya) (China) is 12 Hours.
Sanya (Tianya) time is 12 Hours ahead of Oxon Hill.

Location	Local Time
Oxon Hill (United States)	2026-03-22, 11:45:21 EDT
Sanya (Tianya) (China)	2026-03-22, 23:45:21 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

National Harbor Heliport ( / 77MD) Oxon Hill, United States

Destination

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