Distance From Sheep Mountain Airport to Mattala Rajapaksa International Airport, SMU - HRI Distance

The distance from Sheep Mountain Airport (SMU) to Mattala Rajapaksa International Airport (HRI) is 7072 miles or 11380 kilometers or 6141 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 Sheep Mountain ( United States ) to Mattala ( Sri Lanka )?

A one-way nonstop (direct) flight between Sheep Mountain and Mattala takes around 16 hours 15 minutes.

Estimated flight time from Sheep Mountain Airport, Sheep Mountain, United States to Mattala Rajapaksa International Airport, Mattala, Sri Lanka is 16 hours 15 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 • SMU - HRI

Kilometers		11380 km
Statute Miles		7072 miles
Nautical Miles		6141 nm
Avg. Time of Flight		16 hours 15 minutes

Sheep Mountain Airport to Mattala Rajapaksa International Airport Flight Route Map - SMU to HRI Flight Path

Location of Sheep Mountain Airport & Mattala Rajapaksa International Airport is given below.
Click the map to view Sheep Mountain to Mattala nonstop flight path and travel direction.

Click to see flight route on Google Map between Sheep Mountain, United States and Mattala, Sri Lanka. .

Nonstop flight route between Sheep Mountain, United States and Mattala, Sri Lanka.

Time Difference Between the Airports • SMU - HRI

Time difference between Sheep Mountain (United States) and Mattala (Sri Lanka) is 13 Hours 30 Minutes.
Mattala time is 13 Hours 30 Minutes ahead of Sheep Mountain.

Location	Local Time
Sheep Mountain (United States)	2026-03-19, 10:26:04 AKDT
Mattala (Sri Lanka)	2026-03-19, 23:56:04 +0530

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

Sheep Mountain Airport (SMU / PASP) Sheep Mountain, United States

Destination

Mattala Rajapaksa International Airport (HRI / VCRI) Mattala, Sri Lanka