how long does it take to drive from one end of tennessee to the other
Interstate 40 in Tennessee Interstate 40 (I-40) traverses the entirety of the state of Tennessee from west to east, running from the Mississippi River at the Arkansas border to the northern base of the Great Smoky Mountains at the North Carolina border. The road connects Tennessee's three largest cities—Memphis, Nashville, and Knoxville—and crosses all of Tennessee's physiographical provinces and Grand Divisions—the Mississippi Embayment and Gulf Coastal Plain in West Tennessee, the Highland Rim and Nashville Basin in Middle Tennessee, and the Cumberland Plateau, Appalachian Valley and Ridge Province, and Blue Ridge Province in East Tennessee. The Tennessee section of I-40 is 452 miles (727 km) long, the longest of any state.