Your total trip with all stops is around 2,170 miles / 3490 km, taking roughly 33.5 hours for the whole trip. If you want to see every small town along the way, you can get a full list of cities between CMI and PDX.
Start from University of Illinois Willard Airport.
Saint Joseph, Missouri is stopping point #1 after driving about 420 miles (670 km) or 7 hours.
Cheyenne, Wyoming is stopping point #2 after driving about 580 miles (940 km) or 8.5 hours. Your total trip so far is about 1,000 miles or 1610 km over roughly 15.5 hours of driving.
Rock Springs, Wyoming is stopping point #3 after driving about 260 miles (410 km) or 4 hours. Your total trip so far is about 1,260 miles or 2030 km over roughly 19.5 hours of driving.
Ogden, Utah is stopping point #4 after driving about 180 miles (290 km) or 2.5 hours. Your total trip so far is about 1,440 miles or 2320 km over roughly 22 hours of driving.
Boise, Idaho is stopping point #5 after driving about 310 miles (490 km) or 4.5 hours. Your total trip so far is about 1,750 miles or 2810 km over roughly 26.5 hours of driving.
Finally, Portland International Airport is your destination after driving about 430 miles (690 km) or 7 hours. Your total trip with all stops is around 2,170 miles or 3490 km, taking roughly 33.5 hours for the whole trip.
Travelmath helps you figure out where to stop when planning a long road trip from one location to another. The best stopping point for an overnight hotel stay or a break from driving often depends on how far or how long you want to drive before pausing to rest. You can find the closest city to your stopping point to look for hotels, or explore other cities and towns along the route. Use this as a road trip planner when you're driving cross-country or mapping a route with multiple stops.