The journey from Horse Cave to Phoenix is a long-distance trip of approximately 1,900 miles. You will head south to Nashville, then take I-40 West to Flagstaff, before connecting to I-17 South into Phoenix. This route takes you through the heart of the American Southwest, including the deserts of Arizona. Expect a total drive time of 28 hours or more. Plan for multiple overnight stops.
Total Distance: 3,050 km driving distance; 2,500 km straight-line air distance.
Carry extra water for the desert stretches.
Spring or autumn to avoid extreme desert heat in summer.