How far is Helena, MT, from Walla Walla, WA?
The distance between Walla Walla (Walla Walla Regional Airport) and Helena (Helena Regional Airport) is 304 miles / 489 kilometers / 264 nautical miles.
The driving distance from Walla Walla (ALW) to Helena (HLN) is 464 miles / 747 kilometers, and travel time by car is about 8 hours 55 minutes.
Walla Walla Regional Airport – Helena Regional Airport
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Distance from Walla Walla to Helena
There are several ways to calculate the distance from Walla Walla to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 303.540 miles
- 488.500 kilometers
- 263.769 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- 302.682 miles
- 487.120 kilometers
- 263.024 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 Walla Walla to Helena?
The estimated flight time from Walla Walla Regional Airport to Helena Regional Airport is 1 hour and 4 minutes.
What is the time difference between Walla Walla and Helena?
The time difference between Walla Walla and Helena is 1 hour. Helena is 1 hour ahead of Walla Walla.
Flight carbon footprint between Walla Walla Regional Airport (ALW) and Helena Regional Airport (HLN)
On average, flying from Walla Walla to Helena generates about 70 kg of CO2 per passenger, and 70 kilograms equals 154 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Walla Walla to Helena
See the map of the shortest flight path between Walla Walla Regional Airport (ALW) and Helena Regional Airport (HLN).
Airport information
| Origin | Walla Walla Regional Airport |
|---|---|
| City: | Walla Walla, WA |
| Country: | United States  |
| IATA Code: | ALW |
| ICAO Code: | KALW |
| Coordinates: | 46°5′41″N, 118°17′16″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 |