With virail you can compare prices of trains from San Diego, CA to Miami, FL in a blink of an eye. What you need is only to choose the date you plan to leave and, if you want, sort and filter the results by price and time. To book your perfect journey, virail will redirect you straight to the provider's website, for an extremely safe purchase.
Virail finds offers from lots of rail companies in Europe and in the rest of the world. For example, it shows you the possible train connections from San Diego, CA to Miami, FL offered by Amtrak.