Austin to Houston: Exactly 235 km (146 mi)

Austin, United States → Houston, United States · ✈ 48 min · 🚗 3h 49min

235
Kilometers
146
Miles
~48 min
Flight Time
~3h 49min
Driving Time

127 nautical miles · Time difference: +1h ahead · Direction: east

Quick Answer

The distance from Austin to Houston is 235 km (146 miles). The fastest way to travel is by car. A direct flight takes approximately 48 min.

Distance Overview: Austin to Houston

The straight-line distance from Austin, United States to Houston, United States is approximately 235 kilometers (146 miles or 127 nautical miles). This measurement uses the Haversine formula, computing the great-circle distance — the shortest path between two points on Earth's surface.

Houston is located east of Austin. Austin is in North America, in the South region of United States, while Houston is in North America, in South, United States. Both cities are in North America.

Travel Options: Austin to Houston

ModeDistanceEst. TimeBest For
✈️ Flight 235 km ~48 min Quick but may not save time with airport procedures
🚗 Drive ~306 km ~3h 49min Convenient and flexible
🚂 Regular Train ~282 km ~2h 21min Budget-friendly option

Our recommendation: car is typically the best way to travel from Austin to Houston. At this distance, driving gives you the most flexibility and avoids airport overhead.

Driving Cost Estimate

Based on an estimated road distance of 306 km, fuel costs for driving from Austin to Houston are approximately $24–$46 USD (at $0.08–$0.15 per km, depending on vehicle efficiency and local fuel prices). Additional costs may include tolls, parking, and accommodation for longer trips.

About Austin

Austin is a major city in United States with a population of approximately 978,908. Located in the South region, it is an important hub in North America. Despite its smaller size, Austin plays an important regional role in United States and attracts visitors year-round.

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About Houston

Houston is a notable city in United States with a population of approximately 2,320,268. Situated in the South region, it serves as a key destination in North America. Houston offers solid transport connections and a variety of arrival options as a major city in United States.

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Distance in Context

235 km is roughly the distance of a short regional flight or a 3-4 hour drive. For comparison, it's about the distance from London to Paris (344 km). At this range, ground transport often competes with flying when you factor in airport time.

Did You Know?

The distance from Austin to Houston (235 km) is roughly equivalent to 6 marathon distances laid end to end.

Travel Insight

At just 235 km within United States, the Austin–Houston corridor is well-suited for a day trip or weekend getaway. Consider driving for flexibility, or check regional rail connections for a hassle-free journey.

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Frequently Asked Questions

How far is Austin from Houston?

The straight-line distance from Austin to Houston is approximately 235 kilometers (146 miles, 127 nautical miles).

How long does it take to fly from Austin to Houston?

A direct flight takes approximately 48 min, based on 800 km/h cruising speed plus 30 minutes for takeoff and landing.

How long is the drive from Austin to Houston?

Estimated driving time is approximately 3h 49min, based on 80 km/h average speed and roads being ~30% longer than straight-line distance.

What is the time difference between Austin and Houston?

Houston is approximately +1h ahead compared to Austin.

What is the road distance from Austin to Houston?

The estimated road distance is approximately 306 km, which is about 30% longer than the 235 km straight-line distance.

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📍 Data: Coordinates from OpenStreetMap contributors. Distances calculated using the Haversine formula. Travel times are estimates only. Last verified: April 7, 2026.