It is 25km/15.5miles from Napoli downtown and 7km/4.3miles more from the Naples airport 'Capodichino.
It is 26.7km, approx 35 minutes in the car. If you take the Circumvesuviana train line from Naples' 'Garibaldi Square' station and get off at the 'Pompeii Scavi' station it will take you around 30...
No. They are 2 different citys in Italy.
It is thought that it comes form the Oscan word for the number 5, pompe, which suggests that the town originated from five hamlets.
Pompeii is a town in Italy next to the volcano Mount Vesuvius which exploded and buried Pompeii in 4 - 5 metres of pumice, ash and cavities.