There are 348.76 miles from Irvine to Sunnyvale in northwest direction and 390.26 miles (628.06 kilometers) by car, following the I-5 route.
Irvine and Sunnyvale are 5 hours 26 mins far apart, if you drive non-stop.
This is the fastest route from Irvine, CA to Sunnyvale, CA. The halfway point is .
Irvine, CA and Sunnyvale, CA are in the same time zone (PDT). Current time in both locations is 11:53 pm.
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