How far is Helena, MT, from Lisbon?
The distance between Lisbon (Lisbon Airport) and Helena (Helena Regional Airport) is 4874 miles / 7844 kilometers / 4235 nautical miles.
Lisbon Airport – Helena Regional Airport
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Distance from Lisbon to Helena
There are several ways to calculate the distance from Lisbon to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 4874.121 miles
- 7844.137 kilometers
- 4235.495 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- 4861.611 miles
- 7824.005 kilometers
- 4224.625 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 Lisbon to Helena?
The estimated flight time from Lisbon Airport to Helena Regional Airport is 9 hours and 43 minutes.
What is the time difference between Lisbon and Helena?
The time difference between Lisbon and Helena is 7 hours. Helena is 7 hours behind Lisbon.
Flight carbon footprint between Lisbon Airport (LIS) and Helena Regional Airport (HLN)
On average, flying from Lisbon to Helena generates about 567 kg of CO2 per passenger, and 567 kilograms equals 1 251 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Lisbon to Helena
See the map of the shortest flight path between Lisbon Airport (LIS) and Helena Regional Airport (HLN).
Airport information
| Origin | Lisbon Airport |
|---|---|
| City: | Lisbon |
| Country: | Portugal  |
| IATA Code: | LIS |
| ICAO Code: | LPPT |
| Coordinates: | 38°46′52″N, 9°8′9″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 |