Traveling to the Pacific Northwest use to be so difficult before continental railroads. When the continental railroads were built, the population and economy of the Pacific Northwest grew. An important aspect to any place is transportation and accessibility. How do i get there?
Tourists and travelers can get to Las Vegas by car, bus, shuttle or plane. Those driving by car from Los Angeles may take these routes. The distance is approximately 270 miles, which will take about 4 hours.
Some do not like to drive long distances, so some people opt to travel by bus or shuttle. Some buses that travel to Las Vegas from LA are Greyhound, Megabus, or Amtrak. The travel time with a bus or shuttle is about 5-7 hours depending on its route and location sites.
Others who just don't want to be on the road at all can opt to travel via plane. Las Vegas has an airport and flight time for LA travelers is a little over 1 hour. Some airlines flying from LAX are Spirit Airlines and Delta Airlines, and United Airlines.
Sources:
http://gocalifornia.about.com/od/topcalifornia/ss/los-angeles-to-las-vegas.htm