The distance from Big Muddy Ranch Airport () to Mattala Rajapaksa International Airport (HRI) is 8659 miles or 13935 kilometers or 7520 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.
13935 kilometers is the direct flight distance between Big Muddy Ranch Airport (United States) and Mattala Rajapaksa International Airport (Sri Lanka).
How long does it take to travel from Fossil ( United States ) to Mattala ( Sri Lanka )?
A one-way nonstop (direct) flight between Fossil and Mattala takes around 19 hours 54 minutes.
Estimated
flight time from Big Muddy Ranch Airport, Fossil, United States to Mattala Rajapaksa International Airport, Mattala, Sri Lanka is
19 hours 54 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 | | 13935 km |
| Statute Miles | | 8659 miles |
| Nautical Miles | | 7520 nm |
| Avg. Time of Flight | | 19 hours 54 minutes |
Big Muddy Ranch Airport to Mattala Rajapaksa International Airport Flight Route Map - to HRI Flight Path
Location of Big Muddy Ranch Airport & Mattala Rajapaksa International Airport is given below.
Click the map to view Fossil to Mattala nonstop flight path and travel direction.
Click to see flight route on Google Map between Fossil, United States and Mattala, Sri Lanka. .
Nonstop flight route between Fossil, United States and Mattala, Sri Lanka.
Time Difference Between the Airports • - HRI
Time difference between
Fossil (United States) and
Mattala (Sri Lanka) is 11 Hours 30 Minutes.
Mattala time is 11 Hours 30 Minutes ahead of Fossil.
| Location | Local Time |
| Fossil (United States) | 2026-05-04, 22:42:49 MDT |
| Mattala (Sri Lanka) | 2026-05-05, 10:12:49 +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.