MapQuest estimates the driving time as 11 hours and 11 minutes.
There are a number of cities near the Colorado River in California. Earp, Blythe, Ripley, and Palo Verde and all along the Colorado Rivers travel through California.
Las Vegas is generally considered the halfway point between Salt Lake City and Las Vegas.
The Hoover Dam is located on the Colorado River at the border between Arizona and Nevada (about 30 miles from Las Vegas).
5 hours
The driving distance between Denver, CO and Las Vegas, NV is approximately 765 miles. The driving time would be approximately 13 hours if you were to travel non-stop in good driving conditions. (The driving time does not take into consideration conditions which may extend trip time such as weather, road work, border crossings and rush hour traffic in urban areas.)
Grand Junction, Colorado, Moab, Utah, Las Vegas, Nevada, Blythe, California and Yuma Arizona.
The distance from Colorado Springs, CO to Las Vegas, NV is approximately 816 miles or 1313.224km. If you were driving it would take roughly 8 hours.
The driving distance between Denver, CO and Las Vegas, NV is 753 miles. The driving time would be approximately 12 hours if driving non-stop in good conditions. (The driving time does not take into consideration conditions such as weather, road work and rush hour traffic in urban areas.)
At 20 mpg and $3.00 @ gallon, it would cost $112.50 one way.
It is 816 miles via I-25 North and I-70 West.
Denver, Colorado is the approximate halfway point.
1 PM When it's 12 noon PDT in Las Vegas, it's 1 PM MDT in Denver, and when it's 12 noon PST in Las Vegas, it's 1 PM MST in Denver.