Distance From Penfield Airfield to Seattle–Tacoma International Airport

The distance from Penfield Airfield () to Seattle–Tacoma International Airport (SEA) is 8185 miles or 13172 kilometers or 7108 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 Sunbury ( Australia ) to Seattle ( United States )?

A one-way nonstop (direct) flight between Sunbury and Seattle takes around 18 hours 49 minutes.

Estimated flight time from Penfield Airfield, Sunbury, Australia to Seattle–Tacoma International Airport, Seattle, United States is 18 hours 49 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		13172 km
Statute Miles		8185 miles
Nautical Miles		7108 nm
Avg. Time of Flight		18 hours 49 minutes

Penfield Airfield to Seattle–Tacoma International Airport Flight Route Map - to SEA Flight Path

Location of Penfield Airfield & Seattle–Tacoma International Airport is given below.
Click the map to view Sunbury to Seattle nonstop flight path and travel direction.

Click to see flight route on Google Map between Sunbury, Australia and Seattle, United States. .

Nonstop flight route between Sunbury, Australia and Seattle, United States.

Time Difference Between the Airports • - SEA

Time difference between Sunbury (Australia) and Seattle (United States) is 18 Hours.
Seattle time is 18 Hours behind Sunbury.

Location	Local Time
Sunbury (Australia)	2025-12-16, 15:48:51 AEDT
Seattle (United States)	2025-12-15, 21:48:51 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

Penfield Airfield ( / YPEF) Sunbury, Australia

Destination

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