How far is Oakland, CA, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Oakland (Oakland International Airport) is 806 miles / 1298 kilometers / 701 nautical miles.
The driving distance from Helena (HLN) to Oakland (OAK) is 1104 miles / 1777 kilometers, and travel time by car is about 19 hours 6 minutes.
Helena Regional Airport – Oakland International Airport
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Distance from Helena to Oakland
There are several ways to calculate the distance from Helena to Oakland. 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 Helena to Oakland?
The estimated flight time from Helena Regional Airport to Oakland International Airport is 2 hours and 1 minutes.
What is the time difference between Helena and Oakland?
The time difference between Helena and Oakland is 1 hour. Oakland is 1 hour behind Helena.
Flight carbon footprint between Helena Regional Airport (HLN) and Oakland International Airport (OAK)
On average, flying from Helena to Oakland 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 Helena to Oakland
See the map of the shortest flight path between Helena Regional Airport (HLN) and Oakland International Airport (OAK).
Airport information
| Origin | Helena Regional Airport |
|---|---|
| City: | Helena, MT |
| Country: | United States  |
| IATA Code: | HLN |
| ICAO Code: | KHLN |
| Coordinates: | 46°36′24″N, 111°58′58″W |
| Destination | Oakland International Airport |
|---|---|
| City: | Oakland, CA |
| Country: | United States |
| IATA Code: | OAK |
| ICAO Code: | KOAK |
| Coordinates: | 37°43′16″N, 122°13′15″W |