I would suggest crossing the river at Laughlin and taking 163 to US95 north to Las Vegas, then I-215 to I-15 south to NV160 and just past Pahrump turn left on to Bell Vista Rd which will take you to Death Valley Junction. A few hundred feet on CA127 and left on to CA190 and into Death Valley. I would not recommend taking CA190 out the west entrance of Death Valley. I would go back out CA190 to CA127 and south to Baker and I-15, then CA58 to Bakersfield and north on CA99 up to the Visalia / Fresno area to camp.
2012 Monaco Knight 36 PFT
2014 Jeep Grand Cherokee Overland
2005 Jeep Rubicon Unlimited on 2007 16' Car Hauler trailer