Distance From Arch Reactor Heliport to Seychelles International Airport

The distance from Arch Reactor Heliport () to Seychelles International Airport (SEZ) is 9257 miles or 14897 kilometers or 8039 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 St Louis ( United States ) to Mahe Island ( Seychelles )?

A one-way nonstop (direct) flight between St Louis and Mahe Island takes around 21 hours 16 minutes.

Estimated flight time from Arch Reactor Heliport, St Louis, United States to Seychelles International Airport, Mahe Island, Seychelles is 21 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 • - SEZ

Kilometers		14897 km
Statute Miles		9257 miles
Nautical Miles		8039 nm
Avg. Time of Flight		21 hours 16 minutes

Arch Reactor Heliport to Seychelles International Airport Flight Route Map - to SEZ Flight Path

Location of Arch Reactor Heliport & Seychelles International Airport is given below.
Click the map to view St Louis to Mahe Island nonstop flight path and travel direction.

Click to see flight route on Google Map between St Louis, United States and Mahe Island, Seychelles. .

Nonstop flight route between St Louis, United States and Mahe Island, Seychelles.

Time Difference Between the Airports • - SEZ

Time difference between St Louis (United States) and Mahe Island (Seychelles) is 9 Hours.
Mahe Island time is 9 Hours ahead of St Louis.

Location	Local Time
St Louis (United States)	2025-12-13, 16:04:59 EST
Mahe Island (Seychelles)	2025-12-14, 01:04:59 +04

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

Arch Reactor Heliport ( / ) St Louis, United States

Destination

Seychelles International Airport (SEZ / FSIA) Mahe Island, Seychelles