This page displays the approximate flight duration time for a non-stop flight. The actual travel time may differ depending on the type and speed of the aircraft. Also note that the calculated distance between the two cities of Rome and Philadelphia is the direct air distance (distance as the crow flies). Traveling on land involves larger distances.
Time difference between Rome and Philadelphia
Italy and USA air distance
Air distance from Rome to cities near Philadelphia:
latitude: 41° 52' North
longitude: 12° 37' East
latitude: 40° 00' North
longitude: 75° 09' West