The distance from Putnam County Memorial Hospital Heliport () to Mattala Rajapaksa International Airport (HRI) is 9184 miles or 14780 kilometers or 7976 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.
14780 kilometers is the direct flight distance between Putnam County Memorial Hospital Heliport (United States) and Mattala Rajapaksa International Airport (Sri Lanka).
How long does it take to travel from Unionville ( United States ) to Mattala ( Sri Lanka )?
A one-way nonstop (direct) flight between Unionville and Mattala takes around 21 hours 6 minutes.
Estimated
flight time from Putnam County Memorial Hospital Heliport, Unionville, United States to Mattala Rajapaksa International Airport, Mattala, Sri Lanka is
21 hours 6 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 | | 14780 km |
| Statute Miles | | 9184 miles |
| Nautical Miles | | 7976 nm |
| Avg. Time of Flight | | 21 hours 6 minutes |
Putnam County Memorial Hospital Heliport to Mattala Rajapaksa International Airport Flight Route Map - to HRI Flight Path
Location of Putnam County Memorial Hospital Heliport & Mattala Rajapaksa International Airport is given below.
Click the map to view Unionville to Mattala nonstop flight path and travel direction.
Click to see flight route on Google Map between Unionville, United States and Mattala, Sri Lanka. .
Nonstop flight route between Unionville, United States and Mattala, Sri Lanka.
Time Difference Between the Airports • - HRI
Time difference between
Unionville (United States) and
Mattala (Sri Lanka) is 10 Hours 30 Minutes.
Mattala time is 10 Hours 30 Minutes ahead of Unionville.
| Location | Local Time |
| Unionville (United States) | 2026-05-07, 12:07:53 CDT |
| Mattala (Sri Lanka) | 2026-05-07, 22:37:53 +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.