Houston, United States → Austin, United States · ✈ 48 min · 🚗 3h 49min
127 nautical miles · Time difference: -1h behind · Direction: west
The distance from Houston to Austin is 235 km (146 miles). The fastest way to travel is by car. A direct flight takes approximately 48 min.
The straight-line distance from Houston, United States to Austin, 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.
Austin is located west of Houston. Houston is in North America, in the South region of United States, while Austin is in North America, in South, United States. Both cities are in North America.
| Mode | Distance | Est. Time | Best 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 Houston to Austin. At this distance, driving gives you the most flexibility and avoids airport overhead.
Based on an estimated road distance of 306 km, fuel costs for driving from Houston to Austin 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.
Houston is a major city in United States with a population of approximately 2,320,268. Located in the South region, it is an important hub in North America. Houston is a significant metropolitan area in United States with good domestic and international transport connections.
→ See all distances from Houston
Austin is a notable city in United States with a population of approximately 978,908. Situated in the South region, it serves as a key destination in North America. Austin is a popular destination in the South region of United States, known for its unique character and attractions.
→ See all distances from Austin
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.
The distance from Houston to Austin (235 km) is roughly equivalent to 6 marathon distances laid end to end.
At just 235 km within United States, the Houston–Austin 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.
The straight-line distance from Houston to Austin is approximately 235 kilometers (146 miles, 127 nautical miles).
A direct flight takes approximately 48 min, based on 800 km/h cruising speed plus 30 minutes for takeoff and landing.
Estimated driving time is approximately 3h 49min, based on 80 km/h average speed and roads being ~30% longer than straight-line distance.
Austin is approximately -1h behind compared to Houston.
The estimated road distance is approximately 306 km, which is about 30% longer than the 235 km straight-line distance.
📍 Data: Coordinates from OpenStreetMap contributors. Distances calculated using the Haversine formula. Travel times are estimates only. Last verified: April 7, 2026.