Distance From Watertown International Airport to Ljubljana Jože Pučnik Airport, ART - LJU Distance

The distance from Watertown International Airport (ART) to Ljubljana Jože Pučnik Airport (LJU) is 4158 miles or 6691 kilometers or 3611 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 Watertown ( United States ) to Ljubljana ( Slovenia )?

A one-way nonstop (direct) flight between Watertown and Ljubljana takes around 9 hours 33 minutes.

Estimated flight time from Watertown International Airport, Watertown, United States to Ljubljana Jože Pučnik Airport, Ljubljana, Slovenia is 9 hours 33 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 • ART - LJU

Kilometers		6691 km
Statute Miles		4158 miles
Nautical Miles		3611 nm
Avg. Time of Flight		9 hours 33 minutes

Watertown International Airport to Ljubljana Jože Pučnik Airport Flight Route Map - ART to LJU Flight Path

Location of Watertown International Airport & Ljubljana Jože Pučnik Airport is given below.
Click the map to view Watertown to Ljubljana nonstop flight path and travel direction.

Click to see flight route on Google Map between Watertown, United States and Ljubljana, Slovenia. .

Nonstop flight route between Watertown, United States and Ljubljana, Slovenia.

Time Difference Between the Airports • ART - LJU

Time difference between Watertown (United States) and Ljubljana (Slovenia) is 6 Hours.
Ljubljana time is 6 Hours ahead of Watertown.

Location	Local Time
Watertown (United States)	2026-06-20, 09:18:38 EDT
Ljubljana (Slovenia)	2026-06-20, 15:18:38 CEST

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

Watertown International Airport (ART / KART) Watertown, United States

Destination

Ljubljana Jože Pučnik Airport (LJU / LJLJ) Ljubljana, Slovenia