Air Miles Calculator logo

How far is San Bernardino, CA, from Helena, MT?

The distance between Helena (Helena Regional Airport) and San Bernardino (San Bernardino International Airport) is 906 miles / 1458 kilometers / 787 nautical miles.

The driving distance from Helena (HLN) to San Bernardino (SBD) is 1132 miles / 1822 kilometers, and travel time by car is about 19 hours 1 minutes.

Helena Regional Airport – San Bernardino International Airport

Distance arrow
906
Miles
Distance arrow
1458
Kilometers
Distance arrow
787
Nautical miles

Search flights

Distance from Helena to San Bernardino

There are several ways to calculate the distance from Helena to San Bernardino. Here are two standard methods:

Vincenty's formula (applied above)
  • 906.146 miles
  • 1458.300 kilometers
  • 787.419 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
  • 907.069 miles
  • 1459.786 kilometers
  • 788.221 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 Bernardino?

The estimated flight time from Helena Regional Airport to San Bernardino International Airport is 2 hours and 12 minutes.

Flight carbon footprint between Helena Regional Airport (HLN) and San Bernardino International Airport (SBD)

On average, flying from Helena to San Bernardino generates about 144 kg of CO2 per passenger, and 144 kilograms equals 318 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 Bernardino

See the map of the shortest flight path between Helena Regional Airport (HLN) and San Bernardino International Airport (SBD).

Airport information

Origin Helena Regional Airport
City: Helena, MT
Country: United States Flag of United States
IATA Code: HLN
ICAO Code: KHLN
Coordinates: 46°36′24″N, 111°58′58″W
Destination San Bernardino International Airport
City: San Bernardino, CA
Country: United States Flag of United States
IATA Code: SBD
ICAO Code: KSBD
Coordinates: 34°5′43″N, 117°14′6″W