The distance from Johnson County Executive Airport (OJC) to Mattala Rajapaksa International Airport (HRI) is 9307 miles or 14978 kilometers or 8082 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.
14978 kilometers is the direct flight distance between Johnson County Executive Airport (United States) and Mattala Rajapaksa International Airport (Sri Lanka).
How long does it take to travel from Olathe ( United States ) to Mattala ( Sri Lanka )?
A one-way nonstop (direct) flight between Olathe and Mattala takes around 21 hours 23 minutes.
Estimated
flight time from Johnson County Executive Airport, Olathe, United States to Mattala Rajapaksa International Airport, Mattala, Sri Lanka is
21 hours 23 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 • OJC - HRI
| Kilometers | | 14978 km |
| Statute Miles | | 9307 miles |
| Nautical Miles | | 8082 nm |
| Avg. Time of Flight | | 21 hours 23 minutes |
Johnson County Executive Airport to Mattala Rajapaksa International Airport Flight Route Map - OJC to HRI Flight Path
Location of Johnson County Executive Airport & Mattala Rajapaksa International Airport is given below.
Click the map to view Olathe to Mattala nonstop flight path and travel direction.
Click to see flight route on Google Map between Olathe, United States and Mattala, Sri Lanka. .
Nonstop flight route between Olathe, United States and Mattala, Sri Lanka.
Time Difference Between the Airports • OJC - HRI
Time difference between
Olathe (United States) and
Mattala (Sri Lanka) is 9 Hours 30 Minutes.
Mattala time is 9 Hours 30 Minutes ahead of Olathe.
| Location | Local Time |
| Olathe (United States) | 2026-03-19, 03:51:19 EDT |
| Mattala (Sri Lanka) | 2026-03-19, 13:21:19 +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.