Estimated travel durations
The straight-line distance from Chicago to Houston is 1,516 kilometers (942 miles). This is the crow-flies distance calculated using the Haversine formula.
A direct flight from Chicago to Houston takes approximately 3h. 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 Chicago to Houston would take approximately 16h 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 Chicago to Houston is 942 miles (1,516 km) as the crow flies.