Distance From Dambulu Oya Tank Seaplane Base to Ontario International Airport, DBU - ONT Distance

The distance from Dambulu Oya Tank Seaplane Base (DBU) to Ontario International Airport (ONT) is 9304 miles or 14973 kilometers or 8080 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 Dambulla ( Sri Lanka ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Dambulla and Ontario takes around 21 hours 23 minutes.

Estimated flight time from Dambulu Oya Tank Seaplane Base, Dambulla, Sri Lanka to Ontario International Airport, Ontario, United States 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 • DBU - ONT

Kilometers		14973 km
Statute Miles		9304 miles
Nautical Miles		8080 nm
Avg. Time of Flight		21 hours 23 minutes

Dambulu Oya Tank Seaplane Base to Ontario International Airport Flight Route Map - DBU to ONT Flight Path

Location of Dambulu Oya Tank Seaplane Base & Ontario International Airport is given below.
Click the map to view Dambulla to Ontario nonstop flight path and travel direction.

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

Nonstop flight route between Dambulla, Sri Lanka and Ontario, United States.

Time Difference Between the Airports • DBU - ONT

Time difference between Dambulla (Sri Lanka) and Ontario (United States) is 13 Hours 30 Minutes.
Ontario time is 13 Hours 30 Minutes behind Dambulla.

Location	Local Time
Dambulla (Sri Lanka)	2026-11-05, 08:30:41 +0530
Ontario (United States)	2026-11-04, 19:00:41 PST

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

Dambulu Oya Tank Seaplane Base (DBU / ) Dambulla, Sri Lanka

Destination

Ontario International Airport (ONT / KONT) Ontario, United States