Distance From Kamphaeng Saen Airport to Seattle–Tacoma International Airport, KDT - SEA Distance

The distance from Kamphaeng Saen Airport (KDT) to Seattle–Tacoma International Airport (SEA) is 7450 miles or 11990 kilometers or 6470 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 Nakhon Pathom ( Thailand ) to Seattle ( United States )?

A one-way nonstop (direct) flight between Nakhon Pathom and Seattle takes around 17 hours 7 minutes.

Estimated flight time from Kamphaeng Saen Airport, Nakhon Pathom, Thailand to Seattle–Tacoma International Airport, Seattle, United States is 17 hours 7 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 • KDT - SEA

Kilometers		11990 km
Statute Miles		7450 miles
Nautical Miles		6470 nm
Avg. Time of Flight		17 hours 7 minutes

Kamphaeng Saen Airport to Seattle–Tacoma International Airport Flight Route Map - KDT to SEA Flight Path

Location of Kamphaeng Saen Airport & Seattle–Tacoma International Airport is given below.
Click the map to view Nakhon Pathom to Seattle nonstop flight path and travel direction.

Click to see flight route on Google Map between Nakhon Pathom, Thailand and Seattle, United States. .

Nonstop flight route between Nakhon Pathom, Thailand and Seattle, United States.

Time Difference Between the Airports • KDT - SEA

Time difference between Nakhon Pathom (Thailand) and Seattle (United States) is 14 Hours.
Seattle time is 14 Hours behind Nakhon Pathom.

Location	Local Time
Nakhon Pathom (Thailand)	2025-12-15, 11:43:18 +07
Seattle (United States)	2025-12-14, 21:43:18 MST

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

Kamphaeng Saen Airport (KDT / VTBK) Nakhon Pathom, Thailand

Destination

Seattle–Tacoma International Airport (SEA / KSEA) Seattle, United States