There are 365 miles from San Diego to Tucson in east direction and 410 miles (659.83 kilometers) by car, following the I-8 route.
San Diego and Tucson are 7 hours 17 mins far apart, if you drive non-stop.
This is the fastest route from San Diego, CA to Tucson, AZ. The halfway point is Tacna, AZ.
Please note the time difference between San Diego, CA and Tucson, AZ is 1 hour. The current time in San Diego is 7:33 pm and the current time in Tucson is 8:33 pm.
Any questions or tips to share?
Share with fellow travellers any question or tips about the route from San Diego, CA to Tucson, AZ: