Distance between Austin TX and Piedras Negras
The distance from Austin to Piedras Negras is 360 kilometers by road including 199 kilometers on motorways. Road takes approximately 3 hours and 42 minutes and goes through San Antonio, Eagle Pass, Kyle, San Marcos and New Braunfels.
| Shortest distance by air | 321 km ✈️ |
| Car route length | 360 km 🚗 |
| Driving time | 3 h 42 min |
| Fuel amount | 28.8 L |
| Fuel cost | 50.6 AUD |
| Point | Distance | Time | Fuel | |
| Austin | 0 km | 00 min | 0.0 L | |
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I 35 36 km, 20 min
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| Kyle | 36 km | 20 min | 2.5 L | |
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I 35 13 km, 07 min
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| San Marcos | 49 km | 27 min | 3.6 L | |
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I 35 27 km, 14 min
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| New Braunfels | 76 km | 42 min | 5.1 L | |
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I 35 23 km, 12 min
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| Selma | 99 km | 55 min | 7.8 L | |
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I 35 4 km, 01 min
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| Live Oak | 103 km | 57 min | 8.1 L | |
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I 35 25 km, 14 min
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| San Antonio | 127 km | 1 h 11 min | 9.7 L | |
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I 35 24 km, 13 min
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| Von Ormy | 151 km | 1 h 25 min | 12.0 L | |
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I 35 US 57 202 km, 2 h 11 min
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| Eagle Pass | 354 km | 3 h 37 min | 27.9 L | |
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US 57 6 km, 04 min
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| Piedras Negras | 360 km | 3 h 42 min | 28.7 L | |
Hotels of Piedras Negras
Frequently Asked Questions
How much does it cost to drive from Austin to Piedras Negras?
Fuel cost: 50.6 AUD
This fuel cost is calculated as: (Route length 360 km / 100 km) * (Fuel consumption 8 L/100 km) * (Fuel price 1.76 AUD / L)
You can adjust fuel consumption and fuel price here.
How long is a car ride from Austin to Piedras Negras?
Driving time: 3 h 42 min
This time is calculated for driving at the maximum permitted speed, taking into account traffic rules restrictions.
- 150 km with a maximum speed 110 km/h = 1 h 21 min
- 13 km with a maximum speed 105 km/h = 7 min
- 35 km with a maximum speed 97 km/h = 21 min
- 123 km with a maximum speed 90 km/h = 1 h 21 min
- 39 km with a maximum speed 80 km/h = 29 min
The calculated driving time does not take into account intermediate stops and traffic jams.
How far is Austin to Piedras Negras by land?
The distance between Austin and Piedras Negras is 360 km by road including 199 km on motorways.
Precise satellite coordinates of highways were used for this calculation. The start and finish points are the centers of Austin and Piedras Negras respectively.
How far is Austin to Piedras Negras by plane?
The shortest distance (air line, as the crow flies) between Austin and Piedras Negras is 321 km.
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 Austin and Piedras Negras respectively. Actual distance between airports may be different.
How many hours is Austin from Piedras Negras by plane?
Boeing 737 airliner needs 24 min to cover the distance of 321 km at a cruising speed of 800 km/h.
Small plane "Cessna 172" needs 1 h 27 min to flight this distance at average speed of 220 km/h.
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 Austin to Piedras Negras?
Fast helicopter "Eurocopter AS350" or "Hughes OH-6 Cayuse" need 1 h 20 min to cover the distance of 321 km at a cruising speed of 240 km/h.
Popular "Robinson R44" needs 1 h 31 min to flight this distance at average speed of 210 km/h.
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 Austin and Piedras Negras?
The halfway point between Austin and Piedras Negras is Lytle. It is located about 14 km from the exact midpoint by road.
The distance from Lytle to Austin is 166 km and driving will take about 1 h 33 min. The road between Lytle and Piedras Negras has length 194 km and will take approximately 2 h 8 min.
The other cities located close to halfway point:
Where is Austin in relation to Piedras Negras?
Austin is located 321 km north-east of Piedras Negras.
Austin has geographic coordinates: latitude 30.27113, longitude -97.7437.
Piedras Negras has geographic coordinates: latitude 28.70196, longitude -100.52192.
Which highway goes from Austin to Piedras Negras?
The route from Austin to Piedras Negras follows I 35, US 57.
Other minor sections pass along the road:
- US 290: 5 km
- I 410: 4 km
- I 10: 3 km
- US 87: 3 km
- US 277: 1 km
- MEX 57: 1 km
