Distance From Port Alexander Seaplane Base to Nanjing Lukou International Airport, PTD - NKG Distance

The distance from Port Alexander Seaplane Base (PTD) to Nanjing Lukou International Airport (NKG) is 4999 miles or 8045 kilometers or 4341 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 Port Alexander ( United States ) to Nanjing ( China )?

A one-way nonstop (direct) flight between Port Alexander and Nanjing takes around 11 hours 29 minutes.

Estimated flight time from Port Alexander Seaplane Base, Port Alexander, United States to Nanjing Lukou International Airport, Nanjing, China is 11 hours 29 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 • PTD - NKG

Kilometers		8045 km
Statute Miles		4999 miles
Nautical Miles		4341 nm
Avg. Time of Flight		11 hours 29 minutes

Port Alexander Seaplane Base to Nanjing Lukou International Airport Flight Route Map - PTD to NKG Flight Path

Location of Port Alexander Seaplane Base & Nanjing Lukou International Airport is given below.
Click the map to view Port Alexander to Nanjing nonstop flight path and travel direction.

Click to see flight route on Google Map between Port Alexander, United States and Nanjing, China. .

Nonstop flight route between Port Alexander, United States and Nanjing, China.

Time Difference Between the Airports • PTD - NKG

Time difference between Port Alexander (United States) and Nanjing (China) is 16 Hours.
Nanjing time is 16 Hours ahead of Port Alexander.

Location	Local Time
Port Alexander (United States)	2026-03-22, 01:03:14 AKDT
Nanjing (China)	2026-03-22, 17:03:14 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

Port Alexander Seaplane Base (PTD / PAAP) Port Alexander, United States

Destination

Nanjing Lukou International Airport (NKG / ZSNJ) Nanjing, China