Originally Posted by
Eastbay1K
SF Embarcadero to SF Civic Center (the 4 stations are within maybe 1.5 miles), or Oakland 12th St. to Oakland 19th St. are the only places I'd recommend this.
16th to 24th is longer, but definitely walkable. More importantly, why would anyone want to ride Bart just for fun? Perhaps 20 years ago, yes, but it's really showing its age these days. I dread using it.