Distance between San Antonio TX and Piedras Negras
The distance from San Antonio to Piedras Negras is 144 miles by road including 44 miles on motorways. Road takes approximately 2 hours and 30 minutes and goes through Eagle Pass, Von Ormy, Lytle and Moore.
| Shortest distance by air | 132 mi ✈️ |
| Car route length | 144.2 mi 🚗 |
| Driving time | 2 h 30 min |
| Fuel amount | 4.9 gal |
| Fuel cost | 21.2 USD |
| Point | Distance | Time | Fuel | |
| San Antonio | 0 mi | 00 min | 0.0 gal | |
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I 35 15 mi, 14 min
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| Von Ormy | 15 mi | 14 min | 0.5 gal | |
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I 35 9 mi, 07 min
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| Lytle | 24 mi | 22 min | 0.8 gal | |
|
I 35 19 mi, 16 min
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| Moore | 42 mi | 38 min | 1.4 gal | |
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I 35 US 57 62 mi, 1 h 07 min
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| La Pryor | 105 mi | 1 h 46 min | 3.3 gal | |
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US 57 35 mi, 39 min
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| Eagle Pass | 140 mi | 2 h 25 min | 4.7 gal | |
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US 57 4 mi, 04 min
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| Piedras Negras | 144 mi | 2 h 30 min | 4.9 gal | |
Frequently Asked Questions
How much does it cost to drive from San Antonio to Piedras Negras?
Fuel cost: 21.2 USD
This fuel cost is calculated as: (Route length 144.2 mi) / (Fuel consumption 29.4 mpg) * (Fuel price 4.31 USD / gal)
You can adjust fuel consumption and fuel price here.
How long is a car ride from San Antonio to Piedras Negras?
Driving time: 2 h 30 min
This time is calculated for driving at the maximum permitted speed, taking into account traffic rules restrictions.
- 37 mi with a maximum speed 68 mph = 32 min
- 6 mi with a maximum speed 60 mph = 6 min
- 76 mi with a maximum speed 56 mph = 1 h 21 min
- 24 mi with a maximum speed 50 mph = 29 min
The calculated driving time does not take into account intermediate stops and traffic jams.
How far is San Antonio to Piedras Negras by land?
The distance between San Antonio and Piedras Negras is 144.2 mi by road including 44.1 mi on motorways.
Precise satellite coordinates of highways were used for this calculation. The start and finish points are the centers of San Antonio and Piedras Negras respectively.
How far is San Antonio to Piedras Negras by plane?
The shortest distance (air line, as the crow flies) between San Antonio and Piedras Negras is 132.4 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 San Antonio and Piedras Negras respectively. Actual distance between airports may be different.
How many hours is San Antonio from Piedras Negras by plane?
Boeing 737 airliner needs 15 min to cover the distance of 132 mi at a cruising speed of 497 mph.
Small plane "Cessna 172" needs 58 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 San Antonio to Piedras Negras?
Fast helicopter "Eurocopter AS350" or "Hughes OH-6 Cayuse" need 53 min to cover the distance of 132 mi at a cruising speed of 149 mph.
Popular "Robinson R44" needs 1 h 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.
Where is San Antonio in relation to Piedras Negras?
San Antonio is located 132 mi north-east of Piedras Negras.
San Antonio has geographic coordinates: latitude 29.4246, longitude -98.49514. Click here to see San Antonio on map.
Piedras Negras has geographic coordinates: latitude 28.70196, longitude -100.52192.
Which highway goes from San Antonio to Piedras Negras?
The route from San Antonio to Piedras Negras follows US 57.
Other minor sections pass along the road:
- I 35: 43 mi
- I 10: 1 mi
- US 87: 1 mi
- US 277: 1 mi
- MEX 57: 1 mi
