There are 298.65 miles from Hayward to Simi Valley in southeast direction and 353 miles (568.10 kilometers) by car, following the I-5 route.
Hayward and Simi Valley are 6 hours 32 mins far apart, if you drive non-stop.
This is the fastest route from Hayward, CA to Simi Valley, CA. The halfway point is Avenal, CA.
Hayward, CA and Simi Valley, CA are in the same time zone (Pacific Daylight Time). Current time in both locations is 1:44 am.
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