How far is Helena, MT, from San Jose?
The distance between San Jose (Juan Santamaría International Airport) and Helena (Helena Regional Airport) is 3004 miles / 4835 kilometers / 2611 nautical miles.
The driving distance from San Jose (SJO) to Helena (HLN) is 3967 miles / 6384 kilometers, and travel time by car is about 77 hours 41 minutes.
Juan Santamaría International Airport – Helena Regional Airport
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Distance from San Jose to Helena
There are several ways to calculate the distance from San Jose to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 3004.211 miles
- 4834.808 kilometers
- 2610.588 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- 3009.239 miles
- 4842.901 kilometers
- 2614.957 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 Jose to Helena?
The estimated flight time from Juan Santamaría International Airport to Helena Regional Airport is 6 hours and 11 minutes.
What is the time difference between San Jose and Helena?
The time difference between San Jose and Helena is 1 hour. Helena is 1 hour behind San Jose.
Flight carbon footprint between Juan Santamaría International Airport (SJO) and Helena Regional Airport (HLN)
On average, flying from San Jose to Helena generates about 335 kg of CO2 per passenger, and 335 kilograms equals 738 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 Jose to Helena
See the map of the shortest flight path between Juan Santamaría International Airport (SJO) and Helena Regional Airport (HLN).
Airport information
| Origin | Juan Santamaría International Airport |
|---|---|
| City: | San Jose |
| Country: | Costa Rica  |
| IATA Code: | SJO |
| ICAO Code: | MROC |
| Coordinates: | 9°59′37″N, 84°12′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 |