How far is Helena, MT, from Cardiff?
The distance between Cardiff (Cardiff Airport) and Helena (Helena Regional Airport) is 4468 miles / 7191 kilometers / 3883 nautical miles.
Cardiff Airport – Helena Regional Airport
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Distance from Cardiff to Helena
There are several ways to calculate the distance from Cardiff to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 4468.224 miles
- 7190.909 kilometers
- 3882.780 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- 4454.944 miles
- 7169.538 kilometers
- 3871.241 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 Cardiff to Helena?
The estimated flight time from Cardiff Airport to Helena Regional Airport is 8 hours and 57 minutes.
What is the time difference between Cardiff and Helena?
The time difference between Cardiff and Helena is 7 hours. Helena is 7 hours behind Cardiff.
Flight carbon footprint between Cardiff Airport (CWL) and Helena Regional Airport (HLN)
On average, flying from Cardiff to Helena generates about 515 kg of CO2 per passenger, and 515 kilograms equals 1 136 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Cardiff to Helena
See the map of the shortest flight path between Cardiff Airport (CWL) and Helena Regional Airport (HLN).
Airport information
| Origin | Cardiff Airport |
|---|---|
| City: | Cardiff |
| Country: | United Kingdom  |
| IATA Code: | CWL |
| ICAO Code: | EGFF |
| Coordinates: | 51°23′48″N, 3°20′35″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 |