Distance From Stephens Island Seaplane Base to Imam Khomeini International Airport, STF - IKA Distance

The distance from Stephens Island Seaplane Base (STF) to Imam Khomeini International Airport (IKA) is 6732 miles or 10834 kilometers or 5846 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 Stephens Island ( Australia ) to Tehran ( Iran )?

A one-way nonstop (direct) flight between Stephens Island and Tehran takes around 15 hours 28 minutes.

Estimated flight time from Stephens Island Seaplane Base, Stephens Island, Australia to Imam Khomeini International Airport, Tehran, Iran is 15 hours 28 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 • STF - IKA

Kilometers		10834 km
Statute Miles		6732 miles
Nautical Miles		5846 nm
Avg. Time of Flight		15 hours 28 minutes

Stephens Island Seaplane Base to Imam Khomeini International Airport Flight Route Map - STF to IKA Flight Path

Location of Stephens Island Seaplane Base & Imam Khomeini International Airport is given below.
Click the map to view Stephens Island to Tehran nonstop flight path and travel direction.

Click to see flight route on Google Map between Stephens Island, Australia and Tehran, Iran. .

Nonstop flight route between Stephens Island, Australia and Tehran, Iran.

Time Difference Between the Airports • STF - IKA

Time difference between Stephens Island (Australia) and Tehran (Iran) is 6 Hours 30 Minutes.
Tehran time is 6 Hours 30 Minutes behind Stephens Island.

Location	Local Time
Stephens Island (Australia)	2026-06-21, 21:07:04 AEST
Tehran (Iran)	2026-06-21, 14:37:04 +0330

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

Stephens Island Seaplane Base (STF / YSTI) Stephens Island, Australia

Destination

Imam Khomeini International Airport (IKA / OIIE) Tehran, Iran