From Veneto take the motorway A27 Mestre-Belluno to the last exit of Longarone (Pian di Vedoia); continue on this road to Pieve di Cadore. Near Auronzo di Cadore turn off the road and head for S.Stefano di Cadore, which leads on to Sappada.
If you are travelling from Friuli take the A27 Palmanova-Tarvisio and exit at the toll in Tolmezzo. From here continue on the state road No 52 which passes through Ovaro and Rigolato all the way to Sappada.
By Train
The nearest station to Sappada is Calalzo di Cadore. From here you can catch a bus directly to Sappada, which takes less than an hour.
If you are arriving from the Friuli side of the valley the nearest station is Carnia, where there are also buses directly to Sappada.
Useful links
For those who require a detailed route to Sappada here are several links that will help:
Kataweb mappe. By inputting the starting and finishing point of your
journey, this site will give you a complete list of roads to follow
to your destination.
Mappy. This site provides the same details as above,
however results are given in a map format.
Trenitalia. For those travelling by train this site gives all
train times and the functionality to buy tickets on-line.
DolomitiBus. All bus times for getting to Sappada from the Veneto
region, in particular bus times from the train station of Calalzo
di Cadore to Sappada.