# Distance from Brasilia (BSB) to Helena (HLN)

> 9,431 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,431 km / 5,860 mi / 5,092 nm
- **Estimated flight time**: 12h
- **Heading**: 322° (northwest)
- **Return heading**: 120° (east southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Brazil) → United States
- **Intercontinental**: South America → North America
- **Time difference**: -3h (When it's 20:20 in Brasilia, it's 17:20 in Helena)
- **Elevation difference**: 380 ft (HLN is higher than BSB)

## Airports

### [Presidente Juscelino Kubistschek International Airport (BSB)](https://www.flightduration.online/airport/bsb-brasilia-presidente-juscelino-kubistschek-international-airport/1ef266df-93eb-6808-bed4-06bb2780ed98)

- City: Brasilia, Brazil
- ICAO: SBBR
- Timezone: America/Sao_Paulo
- Coordinates: -15.870000, -47.920000
- Elevation: 3,497 ft

### [Helena Regional Airport (HLN)](https://www.flightduration.online/airport/hln-helena-helena-regional-airport/1ef266df-20d7-6808-b3f9-06bb2780ed98)

- City: Helena, United States
- ICAO: KHLN
- Timezone: America/Denver
- Coordinates: 46.610000, -111.980000
- Elevation: 3,877 ft

## Route notes

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

Time-zone information: When it's 20:20 in Brasilia, it's 17:20 in Helena.
The 3-hour time difference may cause some jet lag.

## Related

- [Presidente Juscelino Kubistschek International Airport (BSB)](https://www.flightduration.online/airport/bsb-brasilia-presidente-juscelino-kubistschek-international-airport/1ef266df-93eb-6808-bed4-06bb2780ed98)
- [Helena Regional Airport (HLN)](https://www.flightduration.online/airport/hln-helena-helena-regional-airport/1ef266df-20d7-6808-b3f9-06bb2780ed98)
- [Flight duration calculator](/#calculator)