Distance From Reguengos de Monsaraz Airstrip to St Louis Lambert International Airport

The distance from Reguengos de Monsaraz Airstrip () to St Louis Lambert International Airport (STL) is 4304 miles or 6926 kilometers or 3738 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.

---

How long does it take to travel from Reguengos de Monsaraz ( Portugal ) to St Louis ( United States )?

A one-way nonstop (direct) flight between Reguengos de Monsaraz and St Louis takes around 9 hours 53 minutes.

Estimated flight time from Reguengos de Monsaraz Airstrip, Reguengos de Monsaraz, Portugal to St Louis Lambert International Airport, St Louis, United States is 9 hours 53 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		6926 km
Statute Miles		4304 miles
Nautical Miles		3738 nm
Avg. Time of Flight		9 hours 53 minutes

Reguengos de Monsaraz Airstrip to St Louis Lambert International Airport Flight Route Map - to STL Flight Path

Location of Reguengos de Monsaraz Airstrip & St Louis Lambert International Airport is given below.
Click the map to view Reguengos de Monsaraz to St Louis nonstop flight path and travel direction.

Click to see flight route on Google Map between Reguengos de Monsaraz, Portugal and St Louis, United States. .

Nonstop flight route between Reguengos de Monsaraz, Portugal and St Louis, United States.

Time Difference Between the Airports • - STL

Time difference between Reguengos de Monsaraz (Portugal) and St Louis (United States) is 5 Hours.
St Louis time is 5 Hours behind Reguengos de Monsaraz.

Location	Local Time
Reguengos de Monsaraz (Portugal)	2025-12-16, 05:13:18 WET
St Louis (United States)	2025-12-16, 00:13:18 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

Reguengos de Monsaraz Airstrip ( / ) Reguengos de Monsaraz, Portugal

Destination

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