How far is Helena, MT, from San Luis Obispo, CA?
The distance between San Luis Obispo (San Luis Obispo County Regional Airport) and Helena (Helena Regional Airport) is 905 miles / 1456 kilometers / 786 nautical miles.
The driving distance from San Luis Obispo (SBP) to Helena (HLN) is 1304 miles / 2099 kilometers, and travel time by car is about 23 hours 1 minutes.
San Luis Obispo County Regional Airport – Helena Regional Airport
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Distance from San Luis Obispo to Helena
There are several ways to calculate the distance from San Luis Obispo to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 904.774 miles
- 1456.093 kilometers
- 786.227 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- 905.075 miles
- 1456.577 kilometers
- 786.489 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 San Luis Obispo to Helena?
The estimated flight time from San Luis Obispo County Regional Airport to Helena Regional Airport is 2 hours and 12 minutes.
What is the time difference between San Luis Obispo and Helena?
Flight carbon footprint between San Luis Obispo County Regional Airport (SBP) and Helena Regional Airport (HLN)
On average, flying from San Luis Obispo to Helena generates about 144 kg of CO2 per passenger, and 144 kilograms equals 317 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from San Luis Obispo to Helena
See the map of the shortest flight path between San Luis Obispo County Regional Airport (SBP) and Helena Regional Airport (HLN).
Airport information
| Origin | San Luis Obispo County Regional Airport |
|---|---|
| City: | San Luis Obispo, CA |
| Country: | United States  |
| IATA Code: | SBP |
| ICAO Code: | KSBP |
| Coordinates: | 35°14′12″N, 120°38′31″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 |