Distance From Stephenville Clark Regional Airport to Adelaide International Airport, SEP - ADL Distance

The distance from Stephenville Clark Regional Airport (SEP) to Adelaide International Airport (ADL) is 9211 miles or 14824 kilometers or 7999 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 Stephenville ( United States ) to Adelaide ( Australia )?

A one-way nonstop (direct) flight between Stephenville and Adelaide takes around 21 hours 10 minutes.

Estimated flight time from Stephenville Clark Regional Airport, Stephenville, United States to Adelaide International Airport, Adelaide, Australia is 21 hours 10 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 • SEP - ADL

Kilometers		14824 km
Statute Miles		9211 miles
Nautical Miles		7999 nm
Avg. Time of Flight		21 hours 10 minutes

Stephenville Clark Regional Airport to Adelaide International Airport Flight Route Map - SEP to ADL Flight Path

Location of Stephenville Clark Regional Airport & Adelaide International Airport is given below.
Click the map to view Stephenville to Adelaide nonstop flight path and travel direction.

Click to see flight route on Google Map between Stephenville, United States and Adelaide, Australia. .

Nonstop flight route between Stephenville, United States and Adelaide, Australia.

Time Difference Between the Airports • SEP - ADL

Time difference between Stephenville (United States) and Adelaide (Australia) is 15 Hours 30 Minutes.
Adelaide time is 15 Hours 30 Minutes ahead of Stephenville.

Location	Local Time
Stephenville (United States)	2026-06-18, 17:52:47 MDT
Adelaide (Australia)	2026-06-19, 09:22:47 ACST

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

Stephenville Clark Regional Airport (SEP / KSEP) Stephenville, United States

Destination

Adelaide International Airport (ADL / YPAD) Adelaide, Australia