Voyaging by a jet is the most popular mode of transportation right now. Because of cheap airline corporations, you are able to transfer from one country to other in a really low price. Also, trip form Rome to Warsaw took like few hours, the very same length by car will take almost one day of your life. But if you are reserving a trip by jet, you must to fallow some laws. One of it, is to arrive at the airport, at least couple hours before your trip.