I live in San Ramon, and might have the day free. Keep us updated.
If you just want a couple of hours on flat, down San Ramon Valley Blvd and back would do it. It's not "flat" flat, but nothing around here is. And I know where all the Starbucks/Peet's coffee shops are.
"Love is not the dying moan of a distant violin, itís the triumphant twang of a bedspring."
S. J. Perelman