Flight Time from Austin to Piedras Negras
The flight from Austin to Piedras Negras covers about 199 mi and takes roughly 52 min nonstop. Flight duration estimate and fare guide.
Austin and Piedras Negras are about 199 mi (321 km) apart in a straight line. By road that works out to roughly 243 mi (391 km), a drive of about 4 hr 21 min. A nonstop flight covers the great-circle distance in approximately 52 min.
| Straight-line distance | 199 mi / 321 km |
| Road distance (est.) | 243 mi / 391 km |
| Driving time (est.) | 4 hr 21 min |
| Nonstop flight (est.) | 52 min |
| Driving fuel (est., 1-way) | $30 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 29.491, -99.144 |
How these estimates work
Straight-line distance uses the haversine formula on each city's coordinates. Road distance applies a circuity factor (~1.2–1.4×) and driving time a blended average speed. Flight time uses typical jet cruise speed plus ~30 minutes for taxi, climb and descent. Treat all figures as planning estimates.
Frequently asked questions
Austin to Piedras Negras is about 199 mi (321 km) in a straight line, and roughly 243 mi (391 km) by road.