Distance From Old Harbor Airport to Ivato Airport, OLH - TNR Distance

The distance from Old Harbor Airport (OLH) to Ivato Airport (TNR) is 9577 miles or 15412 kilometers or 8317 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 Old Harbor ( United States ) to Antananarivo ( Madagascar )?

A one-way nonstop (direct) flight between Old Harbor and Antananarivo takes around 22 hours 1 minutes.

Estimated flight time from Old Harbor Airport, Old Harbor, United States to Ivato Airport, Antananarivo, Madagascar is 22 hours 1 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 • OLH - TNR

Kilometers		15412 km
Statute Miles		9577 miles
Nautical Miles		8317 nm
Avg. Time of Flight		22 hours 1 minutes

Old Harbor Airport to Ivato Airport Flight Route Map - OLH to TNR Flight Path

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

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

Nonstop flight route between Old Harbor, United States and Antananarivo, Madagascar.

Time Difference Between the Airports • OLH - TNR

Time difference between Old Harbor (United States) and Antananarivo (Madagascar) is 11 Hours.
Antananarivo time is 11 Hours ahead of Old Harbor.

Location	Local Time
Old Harbor (United States)	2026-09-23, 18:28:28 AKDT
Antananarivo (Madagascar)	2026-09-24, 05:28:28 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

Old Harbor Airport (OLH / ) Old Harbor, United States

Destination

Ivato Airport (TNR / FMMI) Antananarivo, Madagascar