From Spondinig take the Stelvio Pass road SS 38 to Gomagoi, then turn left to Sulden. The parking lot of the cable car is about 20 km from Spondinig to Sulden.
The parking lot is located directly at the cable car valley station.
For those who don't want to reach Sulden by private car, there is the option of using public transport. The 271 bus will take you from Prad/Spondinig to Sulden in just over half an hour. The bus stop is located directly at the valley station of the cable car.