Distance From Porthtowan Airfield to St Louis Lambert International Airport

The distance from Porthtowan Airfield () to St Louis Lambert International Airport (STL) is 4037 miles or 6496 kilometers or 3506 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 Porthtowan ( United Kingdom ) to St Louis ( United States )?

A one-way nonstop (direct) flight between Porthtowan and St Louis takes around 9 hours 16 minutes.

Estimated flight time from Porthtowan Airfield, Porthtowan, United Kingdom to St Louis Lambert International Airport, St Louis, United States is 9 hours 16 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 • - STL

Kilometers		6496 km
Statute Miles		4037 miles
Nautical Miles		3506 nm
Avg. Time of Flight		9 hours 16 minutes

Porthtowan Airfield to St Louis Lambert International Airport Flight Route Map - to STL Flight Path

Location of Porthtowan Airfield & St Louis Lambert International Airport is given below.
Click the map to view Porthtowan to St Louis nonstop flight path and travel direction.

Click to see flight route on Google Map between Porthtowan, United Kingdom and St Louis, United States. .

Nonstop flight route between Porthtowan, United Kingdom and St Louis, United States.

Time Difference Between the Airports • - STL

Time difference between Porthtowan (United Kingdom) and St Louis (United States) is 5 Hours.
St Louis time is 5 Hours behind Porthtowan.

Location	Local Time
Porthtowan (United Kingdom)	2026-02-07, 00:41:49 GMT
St Louis (United States)	2026-02-06, 19:41:49 EST

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

Porthtowan Airfield ( / ) Porthtowan, United Kingdom

Destination

St Louis Lambert International Airport (STL / KSTL) St Louis, United States