Wirelessly posted (BlackBerry: BlackBerry8530/5.0.0.1030 Profile/MIDP-2.1 Configuration/CLDC-1.1 VendorID/417)
I can't answer your questions (although I assume that baggage on the connection can be checked through to NRT), but if you want to drive to SAN, you could do a one-way car rental. Amtrak is also an option.