How far is Helena, MT, from Laredo, TX?
The distance between Laredo (Laredo International Airport) and Helena (Helena Regional Airport) is 1481 miles / 2384 kilometers / 1287 nautical miles.
The driving distance from Laredo (LRD) to Helena (HLN) is 1876 miles / 3019 kilometers, and travel time by car is about 32 hours 56 minutes.
Laredo International Airport – Helena Regional Airport
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Distance from Laredo to Helena
There are several ways to calculate the distance from Laredo to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 1481.246 miles
- 2383.835 kilometers
- 1287.168 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- 1482.760 miles
- 2386.271 kilometers
- 1288.483 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 Laredo to Helena?
The estimated flight time from Laredo International Airport to Helena Regional Airport is 3 hours and 18 minutes.
What is the time difference between Laredo and Helena?
The time difference between Laredo and Helena is 1 hour. Helena is 1 hour behind Laredo.
Flight carbon footprint between Laredo International Airport (LRD) and Helena Regional Airport (HLN)
On average, flying from Laredo to Helena generates about 178 kg of CO2 per passenger, and 178 kilograms equals 393 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Laredo to Helena
See the map of the shortest flight path between Laredo International Airport (LRD) and Helena Regional Airport (HLN).
Airport information
| Origin | Laredo International Airport |
|---|---|
| City: | Laredo, TX |
| Country: | United States  |
| IATA Code: | LRD |
| ICAO Code: | KLRD |
| Coordinates: | 27°32′37″N, 99°27′41″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 |