How far is Helena, MT, from Oakland, CA?
The distance between Oakland (Oakland International Airport) and Helena (Helena Regional Airport) is 806 miles / 1298 kilometers / 701 nautical miles.
The driving distance from Oakland (OAK) to Helena (HLN) is 1104 miles / 1776 kilometers, and travel time by car is about 19 hours 3 minutes.
Oakland International Airport – Helena Regional Airport
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Distance from Oakland to Helena
There are several ways to calculate the distance from Oakland to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 806.363 miles
- 1297.716 kilometers
- 700.710 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- 805.971 miles
- 1297.085 kilometers
- 700.370 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 Oakland to Helena?
The estimated flight time from Oakland International Airport to Helena Regional Airport is 2 hours and 1 minutes.
What is the time difference between Oakland and Helena?
The time difference between Oakland and Helena is 1 hour. Helena is 1 hour ahead of Oakland.
Flight carbon footprint between Oakland International Airport (OAK) and Helena Regional Airport (HLN)
On average, flying from Oakland to Helena generates about 135 kg of CO2 per passenger, and 135 kilograms equals 299 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Oakland to Helena
See the map of the shortest flight path between Oakland International Airport (OAK) and Helena Regional Airport (HLN).
Airport information
| Origin | Oakland International Airport |
|---|---|
| City: | Oakland, CA |
| Country: | United States  |
| IATA Code: | OAK |
| ICAO Code: | KOAK |
| Coordinates: | 37°43′16″N, 122°13′15″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 |