Distance From Sarnoff Princeton Heliport to London Heathrow Airport

The distance from Sarnoff Princeton Heliport () to London Heathrow Airport (LHR) is 3491 miles or 5617 kilometers or 3031 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 Princeton ( United States ) to London ( United Kingdom )?

A one-way nonstop (direct) flight between Princeton and London takes around 8 hours 1 minutes.

Estimated flight time from Sarnoff Princeton Heliport, Princeton, United States to London Heathrow Airport, London, United Kingdom is 8 hours 1 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 • - LHR

Kilometers		5617 km
Statute Miles		3491 miles
Nautical Miles		3031 nm
Avg. Time of Flight		8 hours 1 minutes

Sarnoff Princeton Heliport to London Heathrow Airport Flight Route Map - to LHR Flight Path

Location of Sarnoff Princeton Heliport & London Heathrow Airport is given below.
Click the map to view Princeton to London nonstop flight path and travel direction.

Click to see flight route on Google Map between Princeton, United States and London, United Kingdom. .

Nonstop flight route between Princeton, United States and London, United Kingdom.

Time Difference Between the Airports • - LHR

Time difference between Princeton (United States) and London (United Kingdom) is 5 Hours.
London time is 5 Hours ahead of Princeton.

Location	Local Time
Princeton (United States)	2026-08-07, 21:57:25 EDT
London (United Kingdom)	2026-08-08, 02:57:25 BST

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

Sarnoff Princeton Heliport ( / 3NJ4) Princeton, United States

Destination

London Heathrow Airport (LHR / EGLL) London, United Kingdom