Distance From Greaton Airfield to Ontario International Airport

The distance from Greaton Airfield () to Ontario International Airport (ONT) is 2582 miles or 4155 kilometers or 2242 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.

---

How long does it take to travel from Saco ( United States ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Saco and Ontario takes around 5 hours 56 minutes.

Estimated flight time from Greaton Airfield, Saco, United States to Ontario International Airport, Ontario, United States is 5 hours 56 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 • - ONT

Kilometers		4155 km
Statute Miles		2582 miles
Nautical Miles		2242 nm
Avg. Time of Flight		5 hours 56 minutes

Greaton Airfield to Ontario International Airport Flight Route Map - to ONT Flight Path

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

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

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

Time Difference Between the Airports • - ONT

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

Location	Local Time
Saco (United States)	2026-06-18, 18:32:06 EDT
Ontario (United States)	2026-06-18, 15:32:06 PDT

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

Greaton Airfield ( / ) Saco, United States

Destination

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