Here are the general directions for the route:
1. Start from Columbus, Ohio and head westbound on Interstate 70 towards St. Louis, Missouri.
2. Continue on Interstate 70 across the states of Indiana, Illinois, and Missouri.
3. Near Kansas City, Missouri, take Interstate 29 Northbound towards Omaha, Nebraska.
4. From Omaha, Nebraska, continue on Interstate 80 Westbound across the states of Nebraska, Wyoming, and Nevada.
5. Enter the state of Utah and continue on Interstate 80 Westbound until reaching Salt Lake City, Utah.
6. From Salt Lake City, Utah, take Interstate 15 Northbound towards Idaho Falls, Idaho.
7. Continue on Interstate 15 Northbound across the state of Idaho until reaching the border of Oregon.
8. Enter Oregon and continue on Interstate 15 Northbound until reaching Portland, Oregon.
It's important to note that the actual driving distance and time may vary depending on the exact starting and ending points within Columbus, Ohio and Portland, Oregon, as well as any detours or stops that you might make along the way. Additionally, traffic conditions, weather, and road closures can also impact the travel time. Before embarking on this journey, it's a good idea to plan your trip carefully, check for any road closures or construction zones, and allow for extra time for rest, fuel stops, and potential delays.