Many travellers have Italy and Croatia as a part of the same itinerary. They are in the luck that travelling between these two countries is fairly easy nowadays, especially during the summer months.
The quickest and the easiest way of travelling from Rome to Dubrovnik it taking one of several flights, which takes only 1 hour 15 minutes.
Both Fiumicino and Dubrovnik Airport can be easily reached from the city centres (the easiest way to reach Fiumicino Airport from Rome's City center is to take Leonardo Express train). Once you land to Dubrovnik Airport you have several options of getting to the city (see here).
Those who need to reach Split from Rome, there are several flights available. Some of them are running all-year long while others are only seasonal. The flight between Rome and Split is quick - it lasts only 1 hour 10 minutes.
Once you reach Split, from there you can catch one of catamarans sailing to the nearby islands (Brac, Hvar, Korcula) or take a bus to reach some of smaller cities and places along the Croatian coast.
Check all available local catamarans and buses and book your tickets through BOOKAWAY web-site.
If travelling from Rome to the Croatian capital Zagreb you can choose from several flights. Croatia Airlines has flights throughout the year from Rome Fiumicino to Zagreb via Split Airport. The total journey takes around 2 hours 40 minutes.
In addition, Ryanair operates direct flights (all-year long) from Rome to Zagreb. The travel time is 1 hour 30 minutes.