Distance From Diamond Valley Airport to Seattle–Tacoma International Airport

The distance from Diamond Valley Airport () to Seattle–Tacoma International Airport (SEA) is 10525 miles or 16938 kilometers or 9140 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 Swartberg ( South Africa ) to Seattle ( United States )?

A one-way nonstop (direct) flight between Swartberg and Seattle takes around 24 hours 11 minutes.

Estimated flight time from Diamond Valley Airport, Swartberg, South Africa to Seattle–Tacoma International Airport, Seattle, United States is 24 hours 11 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 • - SEA

Kilometers		16938 km
Statute Miles		10525 miles
Nautical Miles		9140 nm
Avg. Time of Flight		24 hours 11 minutes

Diamond Valley Airport to Seattle–Tacoma International Airport Flight Route Map - to SEA Flight Path

Location of Diamond Valley Airport & Seattle–Tacoma International Airport is given below.
Click the map to view Swartberg to Seattle nonstop flight path and travel direction.

Click to see flight route on Google Map between Swartberg, South Africa and Seattle, United States. .

Nonstop flight route between Swartberg, South Africa and Seattle, United States.

Time Difference Between the Airports • - SEA

Time difference between Swartberg (South Africa) and Seattle (United States) is 9 Hours.
Seattle time is 9 Hours behind Swartberg.

Location	Local Time
Swartberg (South Africa)	2026-02-07, 09:15:06 SAST
Seattle (United States)	2026-02-07, 00:15:06 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

Diamond Valley Airport ( / ) Swartberg, South Africa

Destination

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