Distance From Chapman Field to Ontario International Airport

The distance from Chapman Field () to Ontario International Airport (ONT) is 667 miles or 1073 kilometers or 579 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 South Fork ( United States ) to Ontario ( United States )?

A one-way nonstop (direct) flight between South Fork and Ontario takes around 1 hours 31 minutes.

Estimated flight time from Chapman Field, South Fork, United States to Ontario International Airport, Ontario, United States is 1 hours 31 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		1073 km
Statute Miles		667 miles
Nautical Miles		579 nm
Avg. Time of Flight		1 hours 31 minutes

Chapman Field to Ontario International Airport Flight Route Map - to ONT Flight Path

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

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

Nonstop flight route between South Fork, United States and Ontario, United States.

Time Difference Between the Airports • - ONT

Time difference between South Fork (United States) and Ontario (United States) is 1 Hours.
Ontario time is 1 Hours behind South Fork.

Location	Local Time
South Fork (United States)	2026-09-17, 20:06:30 MDT
Ontario (United States)	2026-09-17, 19:06:30 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

Chapman Field ( / CD10) South Fork, United States

Destination

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