Distance From Maryland Airport to Ontario International Airport

The distance from Maryland Airport () to Ontario International Airport (ONT) is 2260 miles or 3636 kilometers or 1962 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 Indian Head ( United States ) to Ontario ( United States )?

A one-way nonstop (direct) flight between Indian Head and Ontario takes around 5 hours 11 minutes.

Estimated flight time from Maryland Airport, Indian Head, United States to Ontario International Airport, Ontario, United States is 5 hours 11 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		3636 km
Statute Miles		2260 miles
Nautical Miles		1962 nm
Avg. Time of Flight		5 hours 11 minutes

Maryland Airport to Ontario International Airport Flight Route Map - to ONT Flight Path

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

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

Nonstop flight route between Indian Head, United States and Ontario, United States.

Time Difference Between the Airports • - ONT

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

Location	Local Time
Indian Head (United States)	2025-12-16, 17:02:52 EST
Ontario (United States)	2025-12-16, 14:02:52 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

Maryland Airport ( / K2W5) Indian Head, United States

Destination

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