Crazy ticketing all around the world. Listen! It happens that if You want to go from
Roma Termini (Central Station) to
Ciampino (14Km - 10 miles) the fare is 2 Euros. Now if You want to go from
Roma Termini to
Frascati (31 Km - 22 miles) the fare is 1,30 Euros! Amazing is that if You want to go to
Frascati You've to pass by (and the train stops!!) in
Ciampino!
Moral of the story: If You want to go to
Ciampino at cheap rates, please take a ticket to
Frascati!