How far is Helena, MT, from Paris?
The distance between Paris (Paris Orly Airport) and Helena (Helena Regional Airport) is 4777 miles / 7688 kilometers / 4151 nautical miles.
Paris Orly Airport – Helena Regional Airport
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Distance from Paris to Helena
There are several ways to calculate the distance from Paris to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 4777.255 miles
- 7688.246 kilometers
- 4151.321 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- 4763.405 miles
- 7665.957 kilometers
- 4139.286 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 Paris to Helena?
The estimated flight time from Paris Orly Airport to Helena Regional Airport is 9 hours and 32 minutes.
What is the time difference between Paris and Helena?
The time difference between Paris and Helena is 8 hours. Helena is 8 hours behind Paris.
Flight carbon footprint between Paris Orly Airport (ORY) and Helena Regional Airport (HLN)
On average, flying from Paris to Helena generates about 555 kg of CO2 per passenger, and 555 kilograms equals 1 223 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Paris to Helena
See the map of the shortest flight path between Paris Orly Airport (ORY) and Helena Regional Airport (HLN).
Airport information
| Origin | Paris Orly Airport |
|---|---|
| City: | Paris |
| Country: | France  |
| IATA Code: | ORY |
| ICAO Code: | LFPO |
| Coordinates: | 48°43′31″N, 2°21′33″E |
| 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 |