The average roughness is the area between the roughness profile and its mean line, or the integral of the absolute value of the roughness profile height over the evaluation length. Rz: Rz is the arithmetic mean value of the single roughness depths of consecutive sampling lengths.
Â© Archivio Audiovisivi Gruppo FS Italiane. In a city renowned for its traffic, we present the Leonardo Express. This non-stop First Class rail service from Leonardo da Vinci Airport, also known as Rome Fiumicino Airport, goes to Romeâs Termini train station in the heart of downtown.
Cities and Places in Italy. Rome. The closest airport is Perugia / San Egidio Airport (PEG). Distance from Perugia / San Egidio Airport to CittÃ  della Pieve is 44,3 kilometers (27,5 miles). Perugia / San Egidio Airport is located approximately 4,1 kilometers (2,5 miles) northwest of Bastia Umbra and about 8,9 kilometers (5,5 miles) west of Assisi.