Distance From Ratmanov (Big Diomede) Heliport to Sanya Phoenix International Airport

The distance from Ratmanov (Big Diomede) Heliport () to Sanya Phoenix International Airport (SYX) is 4830 miles or 7773 kilometers or 4195 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 Ratmanov ( Russia ) to Sanya (Tianya) ( China )?

A one-way nonstop (direct) flight between Ratmanov and Sanya (Tianya) takes around 11 hours 6 minutes.

Estimated flight time from Ratmanov (Big Diomede) Heliport, Ratmanov, Russia to Sanya Phoenix International Airport, Sanya (Tianya), China is 11 hours 6 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		7773 km
Statute Miles		4830 miles
Nautical Miles		4195 nm
Avg. Time of Flight		11 hours 6 minutes

Ratmanov (Big Diomede) Heliport to Sanya Phoenix International Airport Flight Route Map - to SYX Flight Path

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

Click to see flight route on Google Map between Ratmanov, Russia and Sanya (Tianya), China. .

Nonstop flight route between Ratmanov, Russia and Sanya (Tianya), China.

Time Difference Between the Airports • - SYX

Time difference between Ratmanov (Russia) and Sanya (Tianya) (China) is 4 Hours.
Sanya (Tianya) time is 4 Hours behind Ratmanov.

Location	Local Time
Ratmanov (Russia)	2026-01-30, 00:24:14 +12
Sanya (Tianya) (China)	2026-01-29, 20:24:14 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

Ratmanov (Big Diomede) Heliport ( / ) Ratmanov, Russia

Destination

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