Pushkar to Sambhar Lake Distance is 116 km approx.
Pushkar > Dantri (70 km)
Dantri > Dudu (16 km)
Dudu > Narena (15 km)
Narena > Sambhar Lake (15 km)
Note:
Leave National Highway 8 and follow the road (below the bridge) once you reach Dudu. Half a km further drive a left turn for Sambhar Lake, which is a straight drive till you reach Sambhar Lake.
FYI: Shakambhari Mata temple is approx. 23 km from Sambhar. Directions are there on the road.