How far is Helena, MT, from Piedras Negras?
The distance between Piedras Negras (Piedras Negras International Airport) and Helena (Helena Regional Airport) is 1387 miles / 2231 kilometers / 1205 nautical miles.
The driving distance from Piedras Negras (PDS) to Helena (HLN) is 1752 miles / 2820 kilometers, and travel time by car is about 31 hours 10 minutes.
Piedras Negras International Airport – Helena Regional Airport
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Distance from Piedras Negras to Helena
There are several ways to calculate the distance from Piedras Negras to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 1386.515 miles
- 2231.380 kilometers
- 1204.849 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 1387.897 miles
- 2233.604 kilometers
- 1206.050 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).
How long does it take to fly from Piedras Negras to Helena?
The estimated flight time from Piedras Negras International Airport to Helena Regional Airport is 3 hours and 7 minutes.
What is the time difference between Piedras Negras and Helena?
Flight carbon footprint between Piedras Negras International Airport (PDS) and Helena Regional Airport (HLN)
On average, flying from Piedras Negras to Helena generates about 172 kg of CO2 per passenger, and 172 kilograms equals 380 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Piedras Negras to Helena
See the map of the shortest flight path between Piedras Negras International Airport (PDS) and Helena Regional Airport (HLN).
Airport information
| Origin | Piedras Negras International Airport |
|---|---|
| City: | Piedras Negras |
| Country: | Mexico  |
| IATA Code: | PDS |
| ICAO Code: | MMPG |
| Coordinates: | 28°37′38″N, 100°32′6″W |
| Destination | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States  |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |