Distance From St Louis Downtown Airport to Princess Juliana International Airport, CPS - SXM Distance

The distance from St Louis Downtown Airport (CPS) to Princess Juliana International Airport (SXM) is 2157 miles or 3472 kilometers or 1874 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 Cahokia/St Louis ( United States ) to Saint Martin ( Sint Maarten )?

A one-way nonstop (direct) flight between Cahokia/St Louis and Saint Martin takes around 4 hours 57 minutes.

Estimated flight time from St Louis Downtown Airport, Cahokia/St Louis, United States to Princess Juliana International Airport, Saint Martin, Sint Maarten is 4 hours 57 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 • CPS - SXM

Kilometers		3472 km
Statute Miles		2157 miles
Nautical Miles		1874 nm
Avg. Time of Flight		4 hours 57 minutes

St Louis Downtown Airport to Princess Juliana International Airport Flight Route Map - CPS to SXM Flight Path

Location of St Louis Downtown Airport & Princess Juliana International Airport is given below.
Click the map to view Cahokia/St Louis to Saint Martin nonstop flight path and travel direction.

Click to see flight route on Google Map between Cahokia/St Louis, United States and Saint Martin, Sint Maarten. .

Nonstop flight route between Cahokia/St Louis, United States and Saint Martin, Sint Maarten.

Time Difference Between the Airports • CPS - SXM

Time difference between Cahokia/St Louis (United States) and Saint Martin (Sint Maarten) is 1 Hours.
Saint Martin time is 1 Hours ahead of Cahokia/St Louis.

Location	Local Time
Cahokia/St Louis (United States)	2025-12-15, 10:23:35 EST
Saint Martin (Sint Maarten)	2025-12-15, 11:23:35 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 Downtown Airport (CPS / KCPS) Cahokia/St Louis, United States

Destination

Princess Juliana International Airport (SXM / TNCM) Saint Martin, Sint Maarten