Distance From Liverpool South Shore Regional Airport to Portland International Airport

The distance from Liverpool South Shore Regional Airport () to Portland International Airport (PDX) is 2765 miles or 4449 kilometers or 2401 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 Greenfield ( Canada ) to Portland ( United States )?

A one-way nonstop (direct) flight between Greenfield and Portland takes around 6 hours 21 minutes.

Estimated flight time from Liverpool South Shore Regional Airport, Greenfield, Canada to Portland International Airport, Portland, United States is 6 hours 21 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 • - PDX

Kilometers		4449 km
Statute Miles		2765 miles
Nautical Miles		2401 nm
Avg. Time of Flight		6 hours 21 minutes

Liverpool South Shore Regional Airport to Portland International Airport Flight Route Map - to PDX Flight Path

Location of Liverpool South Shore Regional Airport & Portland International Airport is given below.
Click the map to view Greenfield to Portland nonstop flight path and travel direction.

Click to see flight route on Google Map between Greenfield, Canada and Portland, United States. .

Nonstop flight route between Greenfield, Canada and Portland, United States.

Time Difference Between the Airports • - PDX

Time difference between Greenfield (Canada) and Portland (United States) is 3 Hours.
Portland time is 3 Hours behind Greenfield.

Location	Local Time
Greenfield (Canada)	2026-03-20, 15:56:43 ADT
Portland (United States)	2026-03-20, 12:56:43 MDT

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

Liverpool South Shore Regional Airport ( / ) Greenfield, Canada

Destination

Portland International Airport (PDX / KPDX) Portland, United States