Distance from Houston to Ontario by Car and Plane

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3. Distance Between Houston and Ontario

The flight distance from Houston (TX) to Ontario (CA) is 1336 miles or 2150 kilometers or 1160 nautical miles.
Driving distance from Houston to Ontario is 1509 miles (2430 kilometers).
Difference between fly and travel by a car is 173 miles or 280 km.

Houston to Ontario Flight Route Map

Map Showing the Distance Between Houston, TX and Ontario, CA
This map shows the distance from Houston, TX, Usa to Ontario, CA, Usa. You can also see the distance in miles and km below the map. Flight route map from Houston, Texas to Ontario, California is displayed below.

Driving distance from Houston, TX to Ontario, CA

The driving distance from Houston, Texas to Ontario, California is 1509 miles or 2430 km.
The total driving distance from Houston, TX to Ontario, CA is 1509 miles or 2430 kilometers. Your trip begins in Houston, Texas. It ends in Ontario, California.
The driving distance from Houston, Texas to Ontario, California is approximately 1509 miles (2430 kilometers), depending on the specific route you take. Without considering any traffic or other delays, driving this distance typically takes around 25 to 26 hours under normal conditions.

Driving time from Houston, TX to Ontario, CA

How long is the drive from Houston, TX to Ontario, CA?
The total driving time is 25 hours, 44 minutes.
How long does a car ride from Houston to Ontario take?
Houston and Ontario are 25 hours 44 mins far apart, if you drive non-stop.

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Attention! According to the recommendations of experts, you should stop and take a break every 2 hours on average, take a fresh air and walk a little to protect your alertness and health during long trips by car. In addition, you can drink some coffee to prevent you from sleeping. People who drive constantly without taking a break lose their focus and can eventually cause accidents. Also, please drive carefully and follow the speed rules.

Time Difference between Houston and Ontario

Time difference between Houston (TX) and Ontario (CA) is 2 Hours.
Ontario time is 2 Hours behind Houston.

Current local time in Houston	Current local time in Ontario
2025-12-19, 21:17:28 CST	2025-12-19, 19:17:28 PST

How Far is it Between Houston Texas, USA and Ontario California, USA?

You can compare air and road distance between Houston, TX and Ontario, CA in this summary table of distances in miles, kilometers and nautical miles.

Distance type	Miles	Kilometers	Nautical miles
Driving distance	1509 mi	2430 km	1310.42 nmi
Straight line distance	1336 mi	2150 km	1160 nmi
Difference	173 mi	280 km	150 nmi

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