The distance from Joe Williams Naval Outlying Field () to Mattala Rajapaksa International Airport (HRI) is 9657 miles or 15541 kilometers or 8386 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.
15541 kilometers is the direct flight distance between Joe Williams Naval Outlying Field (United States) and Mattala Rajapaksa International Airport (Sri Lanka).
How long does it take to travel from Preston ( United States ) to Mattala ( Sri Lanka )?
A one-way nonstop (direct) flight between Preston and Mattala takes around 22 hours 12 minutes.
Estimated
flight time from Joe Williams Naval Outlying Field, Preston, United States to Mattala Rajapaksa International Airport, Mattala, Sri Lanka is
22 hours 12 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 | | 15541 km |
| Statute Miles | | 9657 miles |
| Nautical Miles | | 8386 nm |
| Avg. Time of Flight | | 22 hours 12 minutes |
Joe Williams Naval Outlying Field to Mattala Rajapaksa International Airport Flight Route Map - to HRI Flight Path
Location of Joe Williams Naval Outlying Field & Mattala Rajapaksa International Airport is given below.
Click the map to view Preston to Mattala nonstop flight path and travel direction.
Click to see flight route on Google Map between Preston, United States and Mattala, Sri Lanka. .
Nonstop flight route between Preston, United States and Mattala, Sri Lanka.
Time Difference Between the Airports • - HRI
Time difference between
Preston (United States) and
Mattala (Sri Lanka) is 10 Hours 30 Minutes.
Mattala time is 10 Hours 30 Minutes ahead of Preston.
| Location | Local Time |
| Preston (United States) | 2025-12-15, 02:56:18 EST |
| Mattala (Sri Lanka) | 2025-12-15, 13:26:18 +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.