# Distance between Houston, TX (HOU) and Piedras Negras (PDS)

Flight distance from Houston to Piedras Negras (Houston William P. Hobby Airport – Piedras Negras International Airport) is 325 miles / 524 kilometers / 283 nautical miles. Estimated flight time is 1 hour 6 minutes.

Driving distance from Houston (HOU) to Piedras Negras (PDS) is 355 miles / 571 kilometers and travel time by car is about 6 hours 7 minutes.

## Map of flight path and driving directions from Houston to Piedras Negras.

Shortest flight path between Houston William P. Hobby Airport (HOU) and Piedras Negras International Airport (PDS).

## How far is Piedras Negras from Houston?

There are several ways to calculate distances between Houston and Piedras Negras. Here are two common methods:

Vincenty's formula (applied above)
• 325.424 miles
• 523.719 kilometers
• 282.786 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
• 324.880 miles
• 522.843 kilometers
• 282.313 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

## Airport information

A Houston William P. Hobby Airport
City: Houston, TX
Country: United States
IATA Code: HOU
ICAO Code: KHOU
Coordinates: 29°38′43″N, 95°16′44″W

B Piedras Negras International Airport
City: Piedras Negras
Country: Mexico
IATA Code: PDS
ICAO Code: MMPG
Coordinates: 28°37′38″N, 100°32′6″W

## Time difference and current local times

There is no time difference between Houston and Piedras Negras.

CDT

CDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 73 kg (161 pounds).

## Frequent Flyer Miles Calculator

Houston (HOU) → Piedras Negras (PDS).

Distance:
325
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
325

Round trip?