You can get to Rome from this airport:
By bus + train (Railway Station of Ciampino): outside the Arrivals Hall there are C.o.t.r.a.l. Buses for the Ciampino Railway Station. From the Railway Station there are trains for Rome Termini Railway Station every 15 minutes.
By Bus + Subway (Line “A”): outside the Arrivals Hall there are C.o.t.r.a.l. Buses for “Anagnina” subway station (Line “A”). Once arrived to the Subway Anagnina, take the train directed to Battistini and get off at the Station needed.
By Taxi: taxis are available at the arrivals areas of the terminals. The aproximative fare for a run to the center of Rome is about € 45,00. Supplements might be asked for luggage, night-time runs and public holidays. It is highly recommended to take only the white licensed taxis.
By Car: the centre of Rome it's easily reacheable by car through the via Appia.