Distance From St Louis Regional Airport to Amílcar Cabral International Airport, ALN - SID Distance

The distance from St Louis Regional Airport (ALN) to Amílcar Cabral International Airport (SID) is 4278 miles or 6884 kilometers or 3715 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 Alton/St Louis ( United States ) to Espargos ( Cape Verde )?

A one-way nonstop (direct) flight between Alton/St Louis and Espargos takes around 9 hours 50 minutes.

Estimated flight time from St Louis Regional Airport, Alton/St Louis, United States to Amílcar Cabral International Airport, Espargos, Cape Verde is 9 hours 50 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 - SID

Kilometers		6884 km
Statute Miles		4278 miles
Nautical Miles		3715 nm
Avg. Time of Flight		9 hours 50 minutes

St Louis Regional Airport to Amílcar Cabral International Airport Flight Route Map - ALN to SID Flight Path

Location of St Louis Regional Airport & Amílcar Cabral International Airport is given below.
Click the map to view Alton/St Louis to Espargos nonstop flight path and travel direction.

Click to see flight route on Google Map between Alton/St Louis, United States and Espargos, Cape Verde. .

Nonstop flight route between Alton/St Louis, United States and Espargos, Cape Verde.

Time Difference Between the Airports • ALN - SID

Time difference between Alton/St Louis (United States) and Espargos (Cape Verde) is 4 Hours.
Espargos time is 4 Hours ahead of Alton/St Louis.

Location	Local Time
Alton/St Louis (United States)	2025-12-15, 09:47:19 EST
Espargos (Cape Verde)	2025-12-15, 13:47:19 -01

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

Amílcar Cabral International Airport (SID / GVAC) Espargos, Cape Verde