Ontario is located in United States (San Bernardino County, California) and time zone America/Los_Angeles.
Places nearby are Montclair, Upland and Chino.
Los Angeles is 47 km away, Houston is 1,845 km away and Mexico City is 2,188 km away as the crow flies.
Distances from Ontario to the most important cities in United States and the world.
34.0633400°
-117.6508900°
Controlled-access highway in Ontario
https://en.wikipedia.org/wiki/Ontario_Highway_401City in California, United States
https://en.wikipedia.org/wiki/Ontario,_California