Distance From Zhubi Jiao (Subi Reef) Helipad to Portland International Jetport

The distance from Zhubi Jiao (Subi Reef) Helipad () to Portland International Jetport (PWM) is 8657 miles or 13932 kilometers or 7518 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 Sansha (Zhubi Jiao / Subi Reef) ( China ) to Portland ( United States )?

A one-way nonstop (direct) flight between Sansha (Zhubi Jiao / Subi Reef) and Portland takes around 19 hours 54 minutes.

Estimated flight time from Zhubi Jiao (Subi Reef) Helipad, Sansha (Zhubi Jiao / Subi Reef), China to Portland International Jetport, Portland, United States is 19 hours 54 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 • - PWM

Kilometers		13932 km
Statute Miles		8657 miles
Nautical Miles		7518 nm
Avg. Time of Flight		19 hours 54 minutes

Zhubi Jiao (Subi Reef) Helipad to Portland International Jetport Flight Route Map - to PWM Flight Path

Location of Zhubi Jiao (Subi Reef) Helipad & Portland International Jetport is given below.
Click the map to view Sansha (Zhubi Jiao / Subi Reef) to Portland nonstop flight path and travel direction.

Click to see flight route on Google Map between Sansha (Zhubi Jiao / Subi Reef), China and Portland, United States. .

Nonstop flight route between Sansha (Zhubi Jiao / Subi Reef), China and Portland, United States.

Time Difference Between the Airports • - PWM

Time difference between Sansha (Zhubi Jiao / Subi Reef) (China) and Portland (United States) is 12 Hours.
Portland time is 12 Hours behind Sansha (Zhubi Jiao / Subi Reef).

Location	Local Time
Sansha (Zhubi Jiao / Subi Reef) (China)	2026-03-19, 14:09:39 CST
Portland (United States)	2026-03-19, 02:09:39 EDT

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

Zhubi Jiao (Subi Reef) Helipad ( / ) Sansha (Zhubi Jiao / Subi Reef), China

Destination

Portland International Jetport (PWM / KPWM) Portland, United States