Calcata is 50 km far from Rome and from Viterbo as well.
By via Cassia
At Settevene take the road to Mazzano Romano-Calcata.
By the highway (A1) Rome-Florence
Leave the highway at Magliano Sabina and take the Flaminia road to Rignano Flaminio and then to Calcata.
Bus lines of Cotral are available from Rome (Saxa Rubra)and it is also possible to go by train from Piazzale Flaminio (train to Viterbo) getting off at Rignano Flaminio and then going on by bus.