Distance From Tristan Heliport to Ivato Airport

The distance from Tristan Heliport () to Ivato Airport (TNR) is 10274 miles or 16535 kilometers or 8922 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 Sumas ( United States ) to Antananarivo ( Madagascar )?

A one-way nonstop (direct) flight between Sumas and Antananarivo takes around 23 hours 37 minutes.

Estimated flight time from Tristan Heliport, Sumas, United States to Ivato Airport, Antananarivo, Madagascar is 23 hours 37 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 • - TNR

Kilometers		16535 km
Statute Miles		10274 miles
Nautical Miles		8922 nm
Avg. Time of Flight		23 hours 37 minutes

Tristan Heliport to Ivato Airport Flight Route Map - to TNR Flight Path

Location of Tristan Heliport & Ivato Airport is given below.
Click the map to view Sumas to Antananarivo nonstop flight path and travel direction.

Click to see flight route on Google Map between Sumas, United States and Antananarivo, Madagascar. .

Nonstop flight route between Sumas, United States and Antananarivo, Madagascar.

Time Difference Between the Airports • - TNR

Time difference between Sumas (United States) and Antananarivo (Madagascar) is 9 Hours.
Antananarivo time is 9 Hours ahead of Sumas.

Location	Local Time
Sumas (United States)	2026-06-23, 04:09:50 MDT
Antananarivo (Madagascar)	2026-06-23, 13:09:50 EAT

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

Tristan Heliport ( / WA03) Sumas, United States

Destination

Ivato Airport (TNR / FMMI) Antananarivo, Madagascar