From the Raikot bridge, jeeps will take you the point where the only way to go till Fairy Meadows is 3-4 Hrs trek; needless to say Jeep ride is worst than the roller coaster.
Beyal camp is another 1 hour trek from Fairy Meadows.
From Beyal camp to the base camp of Nanga Parbat, there is another 4-5 hrs trekking.