There are 24.38 miles from San Diego to Alpine in northeast direction and 29 miles (46.67 kilometers) by car, following the I-8 E route.
San Diego and Alpine are 31 minutes far apart, if you drive non-stop .
This is the fastest route from San Diego, CA to Alpine, CA. The halfway point is El Cajon, CA.
San Diego, CA and Alpine, CA are in the same time zone (PDT). Current time in both locations is 8:37 pm.
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