Your total trip with all stops is around 2,880 miles / 4640 km, taking roughly 44 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 Portland, OR and Gaithersburg, MD.
Start from Portland, Oregon.
Boise, Idaho is stopping point #1 after driving about 430 miles (690 km) or 6.5 hours.
Ogden, Utah is stopping point #2 after driving about 310 miles (500 km) or 4.5 hours. Your total trip so far is about 740 miles or 1190 km over roughly 11 hours of driving.
Rock Springs, Wyoming is stopping point #3 after driving about 180 miles (290 km) or 2.5 hours. Your total trip so far is about 920 miles or 1480 km over roughly 14 hours of driving.
Cheyenne, Wyoming is stopping point #4 after driving about 260 miles (410 km) or 4 hours. Your total trip so far is about 1,170 miles or 1890 km over roughly 17.5 hours of driving.
Omaha, Nebraska is stopping point #5 after driving about 500 miles (800 km) or 7 hours. Your total trip so far is about 1,670 miles or 2690 km over roughly 24.5 hours of driving.
Aurora, Illinois is stopping point #6 after driving about 430 miles (700 km) or 6.5 hours. Your total trip so far is about 2,100 miles or 3390 km over roughly 31 hours of driving.
Columbus, Ohio is stopping point #7 after driving about 390 miles (620 km) or 6.5 hours. Your total trip so far is about 2,490 miles or 4010 km over roughly 37.5 hours of driving.
Finally, Gaithersburg, Maryland is your destination after driving about 390 miles (630 km) or 6.5 hours. Your total trip with all stops is around 2,880 miles or 4640 km, taking roughly 44 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.