Distance From Riverside Community Hospital Helipad to Mattala Rajapaksa International Airport

The distance from Riverside Community Hospital Helipad () to Mattala Rajapaksa International Airport (HRI) is 9403 miles or 15133 kilometers or 8166 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 Riverside ( United States ) to Mattala ( Sri Lanka )?

A one-way nonstop (direct) flight between Riverside and Mattala takes around 21 hours 37 minutes.

Estimated flight time from Riverside Community Hospital Helipad, Riverside, United States to Mattala Rajapaksa International Airport, Mattala, Sri Lanka is 21 hours 37 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		15133 km
Statute Miles		9403 miles
Nautical Miles		8166 nm
Avg. Time of Flight		21 hours 37 minutes

Riverside Community Hospital Helipad to Mattala Rajapaksa International Airport Flight Route Map - to HRI Flight Path

Location of Riverside Community Hospital Helipad & Mattala Rajapaksa International Airport is given below.
Click the map to view Riverside to Mattala nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • - HRI

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

Location	Local Time
Riverside (United States)	2026-06-23, 11:48:54 PDT
Mattala (Sri Lanka)	2026-06-24, 00:18:54 +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

Riverside Community Hospital Helipad ( / 54CA) Riverside, United States

Destination

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