There are 365 miles from Tucson to San Diego in west direction and 410 miles (659.83 kilometers) by car, following the I-8 route.
Tucson and San Diego are 7 hours 16 mins far apart, if you drive non-stop.
This is the fastest route from Tucson, AZ to San Diego, CA. The halfway point is Tacna, AZ.
Tucson, AZ and San Diego, CA are in the same time zone (Mountain Standard Time). Current time in both locations is 4:42 am.
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