There are 203.27 miles from Las Vegas to Ontario in southwest direction and 236 miles (379.81 kilometers) by car, following the I-15 route.
Las Vegas and Ontario are 4 hours 18 mins far apart, if you drive non-stop.
This is the fastest route from Las Vegas, NV to Ontario, CA. The halfway point is Fort Irwin, CA.
Las Vegas, NV and Ontario, CA are in the same time zone (Pacific Daylight Time). Current time in both locations is 5:14 pm.
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