SF Ferry Building to Sausalito, Ferry Home, 10ish miles
Details
We'll walk to Sausalito from the SF Ferry Building, and take the ferry back.
The plan is to take the 1:25 Ferry. It lands back in SF at 1:55.
Assuming we arrive in time, we'll have lunch in Sausalito before catching the ferry.
A 2.5 mph walking pace should get us to Sausalito in time.
The route is 10.5 miles with 500' of climbing.
Of course, you are welcome to spend more time in Sausalito, and take a later ferry.