Stopping points from Portland International Airport to George Bush Intercontinental Airport:

• Start from Portland International Airport
• 7 hours to Boise, Idaho after driving about 430 miles / 690 km
• 4.5 hours to Ogden, Utah after driving about 310 miles / 490 km
• 7.5 hours to Denver, Colorado after driving about 530 miles / 850 km
• 7 hours to Amarillo, Texas after driving about 420 miles / 680 km
• 6 hours to Dallas, Texas after driving about 360 miles / 580 km
• 4 hours to George Bush Intercontinental Airport after driving about 230 miles / 370 km

Your total trip with all stops is around 2,270 miles / 3660 km, taking roughly 35.5 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 PDX and IAH.

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Stopping points from PDX to IAH

Start from Portland International Airport.

Boise, Idaho is stopping point #1 after driving about 430 miles (690 km) or 7 hours.

Ogden, Utah is stopping point #2 after driving about 310 miles (490 km) or 4.5 hours. Your total trip so far is about 730 miles or 1180 km over roughly 11.5 hours of driving.

Denver, Colorado is stopping point #3 after driving about 530 miles (850 km) or 7.5 hours. Your total trip so far is about 1,260 miles or 2030 km over roughly 19 hours of driving.

Amarillo, Texas is stopping point #4 after driving about 420 miles (680 km) or 7 hours. Your total trip so far is about 1,680 miles or 2700 km over roughly 25.5 hours of driving.

Dallas, Texas is stopping point #5 after driving about 360 miles (580 km) or 6 hours. Your total trip so far is about 2,040 miles or 3290 km over roughly 31.5 hours of driving.

Finally, George Bush Intercontinental Airport is your destination after driving about 230 miles (370 km) or 4 hours. Your total trip with all stops is around 2,270 miles or 3660 km, taking roughly 35.5 hours for the whole trip.

Stopping point calculator

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.