The driving distance from Washington DC to Houston is 1,411 miles
or 2,271 kilometers
This is a really long road trip, starting from Washington, DC and arriving at your destination of Houston, TX with a total driving time of 22 hours, 11 minutes
If you just want to know how far it is between Washington DC and Houston, the straight line distance is 1,219 miles
or 1,962 kilometers
If you are a pilot flying a private plane, you can fly straight from Washington, DC to Houston, TX for a total flight time of 2 hours, 54 minutes
Book a flight:
If you're a traveler planning a trip and you want to book a commercial flight, you can try searching for flights between IAD and HOU.