Oakland is approximately 20 miles away from San Francisco Airport.
About 30 minutes with BART
30 miles
About 30 minutes with BART
Oakland, San Francisco and Sacramento airports are all equidistant from Napa, but the easiest airport to get into / out of by far is Sacramento.
about 15 miles
From Oakland to San Francisco
about 46 miles
There is Golden Gate Fields, which is a horse racing track, but that is in Oakland, which is not far from San Francisco.
About 9 hours
an hour and a half
Petaluma is approximately 30 miles from Oakland Airport.
As far as imporance and size -Los Angeles -San Diego -San Jose -San Francisco -Sacramento -Oakland -Santa Cruz -Hollywood -Fresno -Lake Tahoe -Eureka -Shasta/Lassen