How far is San Luis Obispo, CA, from Helena, MT?
The distance between Helena (Helena Regional Airport) and San Luis Obispo (San Luis Obispo County Regional Airport) is 905 miles / 1456 kilometers / 786 nautical miles.
The driving distance from Helena (HLN) to San Luis Obispo (SBP) is 1306 miles / 2101 kilometers, and travel time by car is about 23 hours 1 minutes.
Helena Regional Airport – San Luis Obispo County Regional Airport
Search flights
Distance from Helena to San Luis Obispo
There are several ways to calculate the distance from Helena to San Luis Obispo. 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 Helena to San Luis Obispo?
The estimated flight time from Helena Regional Airport to San Luis Obispo County Regional Airport is 2 hours and 12 minutes.
What is the time difference between Helena and San Luis Obispo?
Flight carbon footprint between Helena Regional Airport (HLN) and San Luis Obispo County Regional Airport (SBP)
On average, flying from Helena to San Luis Obispo 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 Helena to San Luis Obispo
See the map of the shortest flight path between Helena Regional Airport (HLN) and San Luis Obispo County Regional Airport (SBP).
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 | 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 |