What is the flight distance between SEA and NST?

Distance between Seattle/Tacoma International Airport (SEA) and Nakhon Si Thammarat Airport (NST) is 12529 kilometers or 7786 miles.

Distance From Seattle/Tacoma International Airport to Nakhon Si Thammarat Airport (SEA - NST Distance)

Q: How long is the flight from SEA to NST?

Flight time from Seattle/Tacoma International Airport, Seattle, United States to Nakhon Si Thammarat Airport, Nakhon Si Thammarat, Thailand is 15 hours 35 minutes under avarage conditions.

Q: What is the time difference between Seattle, United States and Nakhon Si Thammarat, Thailand?

Time difference between Seattle (United States) and Nakhon Si Thammarat (Thailand) is 14 Hours. Nakhon Si Thammarat time is 14 Hours ahead of Seattle. It is currently 22:59 in Seattle/Tacoma International Airport (SEA) and 12:59 in Nakhon Si Thammarat Airport (NST).

The flight distance from Seattle/Tacoma International Airport (SEA) to Nakhon Si Thammarat Airport (NST) is 7786 miles. This is equivalent to 12529 kilometers or 6761 nautical miles. The distance shown below is the straight line distance (may be called as flying or air distance) or direct flight distance between airports.

12529 kilometers is the distance from Seattle/Tacoma International Airport, United States to Nakhon Si Thammarat Airport, Thailand.

Flight Duration between Seattle, United States and Nakhon Si Thammarat, Thailand

Estimated flight time from Seattle/Tacoma International Airport, Seattle, United States to Nakhon Si Thammarat Airport, Nakhon Si Thammarat, Thailand is 15 hours 35 minutes under avarage conditions. The flight time calculator assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/hr or 434 knots. Your actual flying time may vary depending on wind speeds or weather conditions.

Time Difference Between the Airports • SEA - NST

Time difference between Seattle (United States) and Nakhon Si Thammarat (Thailand) is 14 Hours.
Current local time in Seattle is 2025-12-13, 22:59:14 MST and time in Nakhon Si Thammarat is 2025-12-14, 12:59:14 +07.
Nakhon Si Thammarat time is 14 Hours ahead of Seattle.

Seattle/Tacoma International Airport to Nakhon Si Thammarat Airport Flight Route Map - SEA to NST Flight Path

Location of Seattle/Tacoma International Airport & Nakhon Si Thammarat Airport is given below.
Click the map to view Seattle to Nakhon Si Thammarat nonstop flight path and travel direction.

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

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

Seattle/Tacoma International Airport
City:	Seattle
Country:	United States
IATA Code:	SEA
ICAO Code:	KSEA
GPS Coordinates:	Latitude: N 47° 26' 56.4'' Longitude: W 122° 18' 33.5''
Current time:	2025-12-13, 22:59:14 MST
Current weather:	Seattle/Tacoma International Airport 15 day weather forecast

Nakhon Si Thammarat Airport
City:	Nakhon Si Thammarat
Country:	Thailand
IATA Code:	NST
ICAO Code:	VTSN
GPS Coordinates:	Latitude: N 8° 32' 22.6'' Longitude: E 99° 56' 40.9''
Current time:	2025-12-14, 12:59:14 +07
Current weather:	Nakhon Si Thammarat Airport 15 day weather forecast
Flights: