The distance from Okao Airport (OKV) to Mattala Rajapaksa International Airport (HRI) is 4212 miles or 6779 kilometers or 3658 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.
6779 kilometers is the direct flight distance between Okao Airport (Papua New Guinea) and Mattala Rajapaksa International Airport (Sri Lanka).
How long does it take to travel from Okao ( Papua New Guinea ) to Mattala ( Sri Lanka )?
A one-way nonstop (direct) flight between Okao and Mattala takes around 9 hours 41 minutes.
Estimated
flight time from Okao Airport, Okao, Papua New Guinea to Mattala Rajapaksa International Airport, Mattala, Sri Lanka is
9 hours 41 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 • OKV - HRI
| Kilometers | | 6779 km |
| Statute Miles | | 4212 miles |
| Nautical Miles | | 3658 nm |
| Avg. Time of Flight | | 9 hours 41 minutes |
Okao Airport to Mattala Rajapaksa International Airport Flight Route Map - OKV to HRI Flight Path
Location of Okao Airport & Mattala Rajapaksa International Airport is given below.
Click the map to view Okao to Mattala nonstop flight path and travel direction.
Click to see flight route on Google Map between Okao, Papua New Guinea and Mattala, Sri Lanka. .
Nonstop flight route between Okao, Papua New Guinea and Mattala, Sri Lanka.
Time Difference Between the Airports • OKV - HRI
Time difference between
Okao (Papua New Guinea) and
Mattala (Sri Lanka) is 4 Hours 30 Minutes.
Mattala time is 4 Hours 30 Minutes behind Okao.
| Location | Local Time |
| Okao (Papua New Guinea) | 2026-05-01, 17:56:44 +10 |
| Mattala (Sri Lanka) | 2026-05-01, 13:26:44 +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.