Distance From Wiscasset Airport to Ontario International Airport, ISS - ONT Distance

The distance from Wiscasset Airport (ISS) to Ontario International Airport (ONT) is 2622 miles or 4219 kilometers or 2277 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 Wiscasset ( United States ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Wiscasset and Ontario takes around 6 hours 1 minutes.

Estimated flight time from Wiscasset Airport, Wiscasset, United States to Ontario International Airport, Ontario, United States is 6 hours 1 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 • ISS - ONT

Kilometers		4219 km
Statute Miles		2622 miles
Nautical Miles		2277 nm
Avg. Time of Flight		6 hours 1 minutes

Wiscasset Airport to Ontario International Airport Flight Route Map - ISS to ONT Flight Path

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

Click to see flight route on Google Map between Wiscasset, United States and Ontario, United States. .

Nonstop flight route between Wiscasset, United States and Ontario, United States.

Time Difference Between the Airports • ISS - ONT

Time difference between Wiscasset (United States) and Ontario (United States) is 3 Hours.
Ontario time is 3 Hours behind Wiscasset.

Location	Local Time
Wiscasset (United States)	2025-12-17, 03:48:47 EST
Ontario (United States)	2025-12-17, 00:48:47 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

Wiscasset Airport (ISS / KIWI) Wiscasset, United States

Destination

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