Distance From Dead Cow Lakebed Airstrip to Mattala Rajapaksa International Airport

The distance from Dead Cow Lakebed Airstrip () to Mattala Rajapaksa International Airport (HRI) is 8961 miles or 14420 kilometers or 7781 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 Herlong, CA ( United States ) to Mattala ( Sri Lanka )?

A one-way nonstop (direct) flight between Herlong, CA and Mattala takes around 20 hours 36 minutes.

Estimated flight time from Dead Cow Lakebed Airstrip, Herlong, CA, United States to Mattala Rajapaksa International Airport, Mattala, Sri Lanka is 20 hours 36 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 • - HRI

Kilometers		14420 km
Statute Miles		8961 miles
Nautical Miles		7781 nm
Avg. Time of Flight		20 hours 36 minutes

Dead Cow Lakebed Airstrip to Mattala Rajapaksa International Airport Flight Route Map - to HRI Flight Path

Location of Dead Cow Lakebed Airstrip & Mattala Rajapaksa International Airport is given below.
Click the map to view Herlong, CA to Mattala nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • - HRI

Time difference between Herlong, CA (United States) and Mattala (Sri Lanka) is 11 Hours 30 Minutes.
Mattala time is 11 Hours 30 Minutes ahead of Herlong, CA.

Location	Local Time
Herlong, CA (United States)	2026-08-03, 13:13:32 MDT
Mattala (Sri Lanka)	2026-08-04, 00:43:32 +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

Dead Cow Lakebed Airstrip ( / ) Herlong, CA, United States

Destination

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