Distance From Flying O Airport to Ontario International Airport

The distance from Flying O Airport () to Ontario International Airport (ONT) is 2126 miles or 3421 kilometers or 1846 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 Sumter ( United States ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Sumter and Ontario takes around 4 hours 53 minutes.

Estimated flight time from Flying O Airport, Sumter, United States to Ontario International Airport, Ontario, United States is 4 hours 53 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		3421 km
Statute Miles		2126 miles
Nautical Miles		1846 nm
Avg. Time of Flight		4 hours 53 minutes

Flying O Airport to Ontario International Airport Flight Route Map - to ONT Flight Path

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

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

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

Time Difference Between the Airports • - ONT

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

Location	Local Time
Sumter (United States)	2025-12-14, 08:20:17 EST
Ontario (United States)	2025-12-14, 05:20:17 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

Flying O Airport ( / 00SC) Sumter, United States

Destination

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