from the GRA take exit 1 "Aurelia" towards the City Centre. Take the SS 1 Aurelia to Largo Caravillani, turn right and follow the Circonvallazione Aurelia until Piazza di Villa Carpegna, then take Via Gregorio VII and go straight to Piazzale Gregorio VII, then turn right to follow it up via del Crocifisso till Piazza della Stazione di San Pietro, then turn left into Via della Stazione di San Pietro, after 100 meters you arrive in Piazza S. Maria alle Fornaci.
By
train:
from Termini station you can either choose between these solutions ranging from the more to the less direct:
1 - take a train that stops at station San Pietro. Once out of the
station take Via della Stazione di San Pietro, after 100 meters you
arrive in Piazza S. Maria alle Fornaci.
2 - leave from Termini Station, reach the location of the bus terminal
No. 64 and take it to the last stop which is in Piazza della Stazione
di San Pietro, from here take Via della Stazione San Pietro, after 100
meters you arrive in Piazza S. Maria alle Fornaci.
3 - take the underground line A (direction Mattia Battistini) and get
off at Valle Aurelia, rise up above the train station and take the
first train to station San Pietro (is the next stop in the direction
Ostiense). Once out of the station take Via della Stazione di San
Pietro, after 100 meters you arrive in Piazza S. Maria alle Fornaci.
By
plane:
from Leonardo da Vinci Airport (Fiumicino) you can take the FM1 train
(the station is located in the Air Terminal) till Trastevere station,
get off here and take a train to station San Pietro. Once out of the
station take Via della Stazione di San Pietro, after 100 meters you
arrive in Piazza S. Maria alle Fornaci.
