Distance between Houston TX and San Antonio TX
The distance from Houston to San Antonio is 195 miles by road including 160 miles on motorways. Road takes approximately 5 hours and goes through Katy, Columbus, Weimar, Flatonia, Waelder, Seguin and Cibolo.
| Shortest distance by air | 190 mi ✈️ |
| Car route length | 195.1 mi 🚗 |
| Driving time | 5 h |
| Fuel amount | 6.6 gal |
| Fuel cost | 22.4 USD |
| Point | Distance | Time | Fuel | |
| Houston | 0 mi | 00 min | 0.0 gal | |
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I 10 I 10 Toll 9 mi, 16 min
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| Hilshire Village | 9 mi | 16 min | 0.3 gal | |
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I 10 Toll 21 mi, 32 min
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| Katy | 30 mi | 48 min | 0.9 gal | |
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I 10 43 mi, 1 h 13 min
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| Columbus | 73 mi | 2 h 01 min | 2.4 gal | |
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I 10 9 mi, 08 min
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| Weimar | 83 mi | 2 h 10 min | 2.6 gal | |
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I 10 27 mi, 24 min
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| Flatonia | 110 mi | 2 h 34 min | 3.7 gal | |
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I 10 11 mi, 09 min
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| Waelder | 121 mi | 2 h 44 min | 4.0 gal | |
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I 10 39 mi, 1 h 01 min
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| Seguin | 160 mi | 3 h 46 min | 5.2 gal | |
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I 10 12 mi, 29 min
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| Cibolo | 173 mi | 4 h 15 min | 5.8 gal | |
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I 10 23 mi, 44 min
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| San Antonio | 195 mi | 4 h 59 min | 6.5 gal | |
Hotels of San Antonio
Frequently Asked Questions
How much does it cost to drive from Houston to San Antonio?
Fuel cost: 22.4 USD
This fuel cost is calculated as: (Route length 195.1 mi) / (Fuel consumption 29.4 mpg) * (Fuel price 3.37 USD / gal)
You can adjust fuel consumption and fuel price here.
How long is a car ride from Houston to San Antonio?
Driving time: 5 h
This time is calculated for driving at the maximum permitted speed, taking into account traffic rules restrictions.
- 126 mi with a maximum speed 68 mph = 1 h 51 min
- 12 mi with a maximum speed 65 mph = 10 min
- 6 mi with a maximum speed 62 mph = 5 min
- 13 mi with a maximum speed 60 mph = 12 min
- 1 mi with a maximum speed 56 mph = 1 min
- 6 mi with a maximum speed 50 mph = 6 min
- 31 mi with a maximum speed 12 mph = 2 h 30 min
The calculated driving time does not take into account intermediate stops and traffic jams.
How far is Houston to San Antonio by land?
The distance between Houston and San Antonio is 195.1 mi by road including 159.7 mi on motorways.
Precise satellite coordinates of highways were used for this calculation. The start and finish points are the centers of Houston and San Antonio respectively.
How far is Houston to San Antonio by plane?
The shortest distance (air line, as the crow flies) between Houston and San Antonio is 189.5 mi.
This distance is calculated using the Haversine formula as a great-circle distance between two points on the surface of a sphere. The start and finish points are the centers of Houston and San Antonio respectively. Actual distance between airports may be different.
How many hours is Houston from San Antonio by plane?
Boeing 737 airliner needs 22 min to cover the distance of 190 mi at a cruising speed of 497 mph.
Small plane "Cessna 172" needs 1 h 23 min to flight this distance at average speed of 136 mph.
This time is approximate and do not take into account takeoff and landing times, airport location and other real world factors.
How long is a helicopter ride from Houston to San Antonio?
Fast helicopter "Eurocopter AS350" or "Hughes OH-6 Cayuse" need 1 h 16 min to cover the distance of 190 mi at a cruising speed of 149 mph.
Popular "Robinson R44" needs 1 h 27 min to flight this distance at average speed of 130 mph.
This time is approximate and do not take into account takeoff and landing times, aerodrome location and other real world factors.
What city is halfway between Houston and San Antonio?
The halfway point between Houston and San Antonio is Flatonia. It is located about 12 mi from the exact midpoint by road.
The distance from Flatonia to Houston is 110 mi and driving will take about 2 h 34 min. The road between Flatonia and San Antonio has length 85 mi and will take approximately 2 h 25 min.
The other cities located close to halfway point:
Where is Houston in relation to San Antonio?
Houston is located 190 mi east of San Antonio.
Houston has geographic coordinates: latitude 29.75894, longitude -95.3677.
San Antonio has geographic coordinates: latitude 29.4246, longitude -98.49514.
Which highway goes from Houston to San Antonio?
The route from Houston to San Antonio follows I 10.
Other minor sections pass along the road:
- US 90: 44 mi
- TX 130: 22 mi
- I 10 Toll: 11 mi
- TX 71: 1 mi
- I 45: 1 mi