Distance From Oconomowoc Airport to Mattala Rajapaksa International Airport

The distance from Oconomowoc Airport () to Mattala Rajapaksa International Airport (HRI) is 8960 miles or 14420 kilometers or 7781 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.

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How long does it take to travel from Oconomowoc ( United States ) to Mattala ( Sri Lanka )?

A one-way nonstop (direct) flight between Oconomowoc and Mattala takes around 20 hours 36 minutes.

Estimated flight time from Oconomowoc Airport, Oconomowoc, United States to Mattala Rajapaksa International Airport, Mattala, Sri Lanka is 20 hours 36 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		14420 km
Statute Miles		8960 miles
Nautical Miles		7781 nm
Avg. Time of Flight		20 hours 36 minutes

Oconomowoc Airport to Mattala Rajapaksa International Airport Flight Route Map - to HRI Flight Path

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

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

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

Time Difference Between the Airports • - HRI

Time difference between Oconomowoc (United States) and Mattala (Sri Lanka) is 10 Hours 30 Minutes.
Mattala time is 10 Hours 30 Minutes ahead of Oconomowoc.

Location	Local Time
Oconomowoc (United States)	2026-03-19, 02:47:56 CDT
Mattala (Sri Lanka)	2026-03-19, 13:17:56 +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

Oconomowoc Airport ( / 0WI8) Oconomowoc, United States

Destination

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