It takes about 2 hours and 40 minutes to drive 213 miles going at a speed of 80 miles per hour. This would be with no stops at all and always maintaining a speed of 80 miles per hour.
There are only 2 states that have a speed limit of 80 miles per hour or more in some areas. Those states are Utah and Texas. In Utah, there are speed limits of 80 miles per hour all throughout the state, while in Texas there are a few highways in western Texas with speed limits of 80 and 85 miles per hour. Interstate 15 is the main highway that has a speed limit of 80 in Utah, while in Texas speed limits of 80 and 85 miles per hour are mostly found on I-10 and I-20. Often, depending on the specific area, speed limits on these roads will be lowered to 65 miles per hour or lower at night.
14 states have a top speed limit of 75 miles per hour. These are: Nevada, Arizona, New Mexico, Colorado, Oklahoma, Louisiana, Kansas, Nebraska, Wyoming, South Dakota, North Dakota, Idaho, Montana, and Maine.