Distance From Grimes Field to Mattala Rajapaksa International Airport

The distance from Grimes Field () to Mattala Rajapaksa International Airport (HRI) is 9783 miles or 15744 kilometers or 8496 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.

---

How long does it take to travel from Semmes ( United States ) to Mattala ( Sri Lanka )?

A one-way nonstop (direct) flight between Semmes and Mattala takes around 22 hours 29 minutes.

Estimated flight time from Grimes Field, Semmes, United States to Mattala Rajapaksa International Airport, Mattala, Sri Lanka is 22 hours 29 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		15744 km
Statute Miles		9783 miles
Nautical Miles		8496 nm
Avg. Time of Flight		22 hours 29 minutes

Grimes Field to Mattala Rajapaksa International Airport Flight Route Map - to HRI Flight Path

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

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

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

Time Difference Between the Airports • - HRI

Time difference between Semmes (United States) and Mattala (Sri Lanka) is 10 Hours 30 Minutes.
Mattala time is 10 Hours 30 Minutes ahead of Semmes.

Location	Local Time
Semmes (United States)	2025-12-14, 01:24:55 EST
Mattala (Sri Lanka)	2025-12-14, 11:54:55 +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

Grimes Field ( / AL74) Semmes, United States

Destination

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