The journey from Hilton Head Island to Las Vegas covers approximately 2300 miles. You will primarily use I-40 and I-15 to reach the city. The drive typically takes 34 hours. You will pass through major cities like Nashville, Memphis, Oklahoma City, and Albuquerque. The route is well-serviced with gas stations and restaurants. It is a long but common route for those traveling to the West.
Total Distance: 3700 km driving distance; 3200 km straight-line air distance.
Traffic around Las Vegas can be heavy; plan accordingly.
Spring and fall offer the best weather for exploring the city.