The journey from Horse Cave to Portland is a massive cross-country expedition of approximately 2,300 miles. You will head north to I-80 West, traversing the Midwest and the Rockies, before connecting to I-84 West through Idaho and into Oregon. This route offers diverse landscapes, from plains to mountains and river valleys. Expect a total drive time of 35 hours or more. Plan for at least three to four days of travel.
Total Distance: 3,700 km driving distance; 3,100 km straight-line air distance.
Plan for multiple overnight stops in major cities.
Summer for the best road conditions across the mountain passes.