Distance From Grand Lake Regional Airport to Mattala Rajapaksa International Airport, NRI - HRI Distance

The distance from Grand Lake Regional Airport (NRI) to Mattala Rajapaksa International Airport (HRI) is 9464 miles or 15230 kilometers or 8219 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 Afton ( United States ) to Mattala ( Sri Lanka )?

A one-way nonstop (direct) flight between Afton and Mattala takes around 21 hours 45 minutes.

Estimated flight time from Grand Lake Regional Airport, Afton, United States to Mattala Rajapaksa International Airport, Mattala, Sri Lanka is 21 hours 45 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 • NRI - HRI

Kilometers		15230 km
Statute Miles		9464 miles
Nautical Miles		8219 nm
Avg. Time of Flight		21 hours 45 minutes

Grand Lake Regional Airport to Mattala Rajapaksa International Airport Flight Route Map - NRI to HRI Flight Path

Location of Grand Lake Regional Airport & Mattala Rajapaksa International Airport is given below.
Click the map to view Afton to Mattala nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • NRI - HRI

Time difference between Afton (United States) and Mattala (Sri Lanka) is 9 Hours 30 Minutes.
Mattala time is 9 Hours 30 Minutes ahead of Afton.

Location	Local Time
Afton (United States)	2026-05-04, 14:04:41 EDT
Mattala (Sri Lanka)	2026-05-04, 23:34:41 +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

Grand Lake Regional Airport (NRI / 3O9) Afton, United States

Destination

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