The distance from Portage Lake Municipal Seaplane Base () to Mattala Rajapaksa International Airport (HRI) is 8326 miles or 13399 kilometers or 7230 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.
13399 kilometers is the direct flight distance between Portage Lake Municipal Seaplane Base (United States) and Mattala Rajapaksa International Airport (Sri Lanka).
How long does it take to travel from Portage Lake ( United States ) to Mattala ( Sri Lanka )?
A one-way nonstop (direct) flight between Portage Lake and Mattala takes around 19 hours 8 minutes.
Estimated
flight time from Portage Lake Municipal Seaplane Base, Portage Lake, United States to Mattala Rajapaksa International Airport, Mattala, Sri Lanka is
19 hours 8 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 | | 13399 km |
| Statute Miles | | 8326 miles |
| Nautical Miles | | 7230 nm |
| Avg. Time of Flight | | 19 hours 8 minutes |
Portage Lake Municipal Seaplane Base to Mattala Rajapaksa International Airport Flight Route Map - to HRI Flight Path
Location of Portage Lake Municipal Seaplane Base & Mattala Rajapaksa International Airport is given below.
Click the map to view Portage Lake to Mattala nonstop flight path and travel direction.
Click to see flight route on Google Map between Portage Lake, United States and Mattala, Sri Lanka. .
Nonstop flight route between Portage Lake, United States and Mattala, Sri Lanka.
Time Difference Between the Airports • - HRI
Time difference between
Portage Lake (United States) and
Mattala (Sri Lanka) is 10 Hours 30 Minutes.
Mattala time is 10 Hours 30 Minutes ahead of Portage Lake.
| Location | Local Time |
| Portage Lake (United States) | 2026-11-08, 23:33:46 EST |
| Mattala (Sri Lanka) | 2026-11-09, 10:03:46 +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.