Distance From Kastoria National Airport Aristotle to Portland International Jetport, KSO - PWM Distance

The distance from Kastoria National Airport Aristotle (KSO) to Portland International Jetport (PWM) is 4448 miles or 7158 kilometers or 3863 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 Argos Orestiko ( Greece ) to Portland ( United States )?

A one-way nonstop (direct) flight between Argos Orestiko and Portland takes around 10 hours 13 minutes.

Estimated flight time from Kastoria National Airport Aristotle, Argos Orestiko, Greece to Portland International Jetport, Portland, United States is 10 hours 13 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 • KSO - PWM

Kilometers		7158 km
Statute Miles		4448 miles
Nautical Miles		3863 nm
Avg. Time of Flight		10 hours 13 minutes

Kastoria National Airport Aristotle to Portland International Jetport Flight Route Map - KSO to PWM Flight Path

Location of Kastoria National Airport Aristotle & Portland International Jetport is given below.
Click the map to view Argos Orestiko to Portland nonstop flight path and travel direction.

Click to see flight route on Google Map between Argos Orestiko, Greece and Portland, United States. .

Nonstop flight route between Argos Orestiko, Greece and Portland, United States.

Time Difference Between the Airports • KSO - PWM

Time difference between Argos Orestiko (Greece) and Portland (United States) is 7 Hours.
Portland time is 7 Hours behind Argos Orestiko.

Location	Local Time
Argos Orestiko (Greece)	2026-09-19, 06:25:39 EEST
Portland (United States)	2026-09-18, 23:25:39 EDT

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

Kastoria National Airport Aristotle (KSO / LGKA) Argos Orestiko, Greece

Destination

Portland International Jetport (PWM / KPWM) Portland, United States