Estimated travel durations
The straight-line distance from Houston to Dallas is 362 kilometers (225 miles). This is the crow-flies distance calculated using the Haversine formula.
A direct flight from Houston to Dallas takes approximately 1h. This is an estimate based on an average cruising speed of 800 km/h and does not include boarding, taxiing or layover time.
Driving from Houston to Dallas would take approximately 4h at an average speed of 85 km/h. The actual driving time may vary depending on road conditions, traffic and border crossings.
The distance from Houston to Dallas is 225 miles (362 km) as the crow flies.