Distance From St Louis Regional Airport to Las Américas International Airport, ALN - SDQ Distance

The distance from St Louis Regional Airport (ALN) to Las Américas International Airport (SDQ) is 1869 miles or 3007 kilometers or 1623 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 Alton/St Louis ( United States ) to Santo Domingo ( Dominican Republic )?

A one-way nonstop (direct) flight between Alton/St Louis and Santo Domingo takes around 4 hours 17 minutes.

Estimated flight time from St Louis Regional Airport, Alton/St Louis, United States to Las Américas International Airport, Santo Domingo, Dominican Republic is 4 hours 17 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 • ALN - SDQ

Kilometers		3007 km
Statute Miles		1869 miles
Nautical Miles		1623 nm
Avg. Time of Flight		4 hours 17 minutes

St Louis Regional Airport to Las Américas International Airport Flight Route Map - ALN to SDQ Flight Path

Location of St Louis Regional Airport & Las Américas International Airport is given below.
Click the map to view Alton/St Louis to Santo Domingo nonstop flight path and travel direction.

Click to see flight route on Google Map between Alton/St Louis, United States and Santo Domingo, Dominican Republic. .

Nonstop flight route between Alton/St Louis, United States and Santo Domingo, Dominican Republic.

Time Difference Between the Airports • ALN - SDQ

Time difference between Alton/St Louis (United States) and Santo Domingo (Dominican Republic) is 1 Hours.
Santo Domingo time is 1 Hours ahead of Alton/St Louis.

Location	Local Time
Alton/St Louis (United States)	2025-12-14, 12:15:24 EST
Santo Domingo (Dominican Republic)	2025-12-14, 13:15:24 AST

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

St Louis Regional Airport (ALN / KALN) Alton/St Louis, United States

Destination

Las Américas International Airport (SDQ / MDSD) Santo Domingo, Dominican Republic