Distance From Cavern City Air Terminal to Mattala Rajapaksa International Airport, CNM - HRI Distance

The distance from Cavern City Air Terminal (CNM) to Mattala Rajapaksa International Airport (HRI) is 9745 miles or 15683 kilometers or 8463 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 Carlsbad ( United States ) to Mattala ( Sri Lanka )?

A one-way nonstop (direct) flight between Carlsbad and Mattala takes around 22 hours 24 minutes.

Estimated flight time from Cavern City Air Terminal, Carlsbad, United States to Mattala Rajapaksa International Airport, Mattala, Sri Lanka is 22 hours 24 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 • CNM - HRI

Kilometers		15683 km
Statute Miles		9745 miles
Nautical Miles		8463 nm
Avg. Time of Flight		22 hours 24 minutes

Cavern City Air Terminal to Mattala Rajapaksa International Airport Flight Route Map - CNM to HRI Flight Path

Location of Cavern City Air Terminal & Mattala Rajapaksa International Airport is given below.
Click the map to view Carlsbad to Mattala nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • CNM - HRI

Time difference between Carlsbad (United States) and Mattala (Sri Lanka) is 12 Hours 30 Minutes.
Mattala time is 12 Hours 30 Minutes ahead of Carlsbad.

Location	Local Time
Carlsbad (United States)	2026-05-01, 18:17:52 MST
Mattala (Sri Lanka)	2026-05-02, 06:47:52 +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

Cavern City Air Terminal (CNM / KCNM) Carlsbad, United States

Destination

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