Dallas to Houston Distance
The distance from Dallas to Houston is approximately
239 miles (385 km) by road via I-45, with a drive time
of about 3 hours 30 minutes to 4 hours depending on
traffic. The straight-line distance between the two cities is around
225 miles (362 km). A direct flight between the two
Texas hubs takes roughly 1 hour in the air. Use our
free calculator above to check the exact distance between any specific
addresses in each city.
Driving Distance
~239 miles (385 km) by road via I-45 South, the main highway connecting the two cities.
Drive Time
~3h 30min to 4h without stops. Traffic near Houston can push this to 5 hours.
Straight-Line Distance
~225 miles (362 km) as the crow flies between the two city centers.
Time Zone
Dallas and Houston are both in the Central Time Zone (CT) — there is no time difference.
How to Calculate the Distance Between Dallas and Houston
The 239-mile figure is measured between city centers, but your actual route depends on your exact starting point and destination. Check any specific address in seconds:
Type a neighborhood, address, or landmark in the "From" field.
Type a neighborhood, address, or landmark in the "To" field.
See the exact driving distance, drive time, and map for your specific trip.
Ways to Travel Between Dallas and Houston
Driving (I-45)
- ~239 miles, 3.5–4 hours without traffic
- Route passes through Corsicana, Huntsville, and Conroe
- Most flexible option for a same-day round trip
Flying
- ~1 hour flight time between DFW/Love Field and IAH/Hobby
- Add 2+ hours for security, boarding, and getting to/from the airport
- Best for time-sensitive business trips
Frequently Asked Questions
How far is Dallas from Houston?
Dallas is approximately 239 miles (385 km) from Houston by road, with a drive time of around 3.5 to 4 hours. The straight-line distance is about 225 miles (362 km).
How long does it take to drive from Dallas to Houston?
The drive typically takes 3.5 to 4 hours via I-45 South without stops. Traffic near Houston can extend this to 5 hours.
How long is the flight from Dallas to Houston?
Flight time is around 1 hour in the air. With airport time included, flying rarely saves time over driving for this route.
What is the best route from Dallas to Houston?
I-45 South is the single main highway connecting the two cities and is the fastest, most direct route in normal conditions.
Are Dallas and Houston in the same time zone?
Yes, both cities are in the Central Time Zone, so there is no time difference between them.
Planning Your Dallas to Houston Trip
Road Trip Planning
At around 4 hours, this is a comfortable same-day drive with stops in Corsicana or Huntsville along the way.
Flight vs. Drive Decisions
Compare total door-to-door time before booking — for many trips, driving is just as fast once airport time is included.
Business Travel
Two of Texas's biggest business hubs — useful for planning meetings, conferences, or corporate travel budgets.
Shipping & Logistics
Businesses use this distance to estimate freight and delivery timelines between the two metro areas.
Other Popular Distances
Traveling in Florida instead? Check our Orlando to Tampa distance guide.