Reserve room accommodations in Goodland, Kansas, in Rapid City, South Dakota, in Thermopolis, Wyoming and in Yellowstone. These will be the stops on your trip.
Leave Dallas at 8:00 a.m. A long day of driving awaits. Drive north on I-35. Stop for lunch in Oklahoma City then continue north to Kansas on I-35.
Take exit 42 in Wichita to I-135 north until you get to I-70 in Salina. Stop for dinner in Salina. Take exit 95B onto I-70 west. Continue on I-70 west until you reach Goodland, Kansas. Stop and get a good night of sleep.
Leave Goodland at 8:00 a.m. Continue west on I-70 until you get to Burlington, Colorado. Take US-385 north out of Burlington until you get to I-76. Take I-76 east until you get to I-80 where you will take I-80 west until you get to Sidney, Nebraska. Take US-385 north out of Sidney until you get to Bridgeport, Nebraska to stop for lunch.
Continue north on US-385 out of Bridgeport, Nebraska until you reach SD Highway 79. SD Highway 79 turns into US-16T which takes you into Rapid City, South Dakota. Stop for dinner and a good night of sleep.
Leave Rapid City at 8:00 a.m. Take Highway 16 southwest to Keystone, South Dakota where you will take Highway 244 to Mount Rushmore. Spend 2 to 3 hours at Mount Rushmore. Return to Rapid City for lunch.
Take I-80 west out of Rapid City. When you reach US-14, take that highway west to Greybull, Wyoming. Head south on Highway 789 to Thermopolis, Wyoming for dinner and a good night of sleep.
Wake up at 8:00 a.m. to explore the hot springs of Thermopolis. Leave at about 10:00 a.m. Take WY-120 north to Cody, Wyoming. Stop for lunch.
Take US-14 west out of Cody. It is about a 2-hour drive to the east entrance of Yellowstone National Park.