# Distance from Brasilia (BSB) to Dayrestan Airport (GSM)

> 12,138 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,138 km / 7,542 mi / 6,554 nm
- **Estimated flight time**: 15h
- **Heading**: 67° (east northeast)
- **Return heading**: 261° (west)
- **Classification**: Ultra-long-haul
- **Type**: International (Brazil) → Iran
- **Intercontinental**: South America → Asia
- **Time difference**: +6.5h (When it's 11:25 in Brasilia, it's 17:55 in Dayrestan Airport)
- **Elevation difference**: 3,452 ft (GSM is lower 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

### [Dayrestan Airport (GSM)](https://www.flightduration.online/airport/gsm-dayrestan-airport/1ef266df-7dd7-65b2-95bc-06bb2780ed98)

- City: Dayrestan Airport, Iran
- ICAO: OIKQ
- Timezone: Asia/Tehran
- Coordinates: 26.750000, 55.900000
- Elevation: 45 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 11:25 in Brasilia, it's 17:55 in Dayrestan Airport.
With a 6.5-hour time difference, expect significant 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)
- [Dayrestan Airport (GSM)](https://www.flightduration.online/airport/gsm-dayrestan-airport/1ef266df-7dd7-65b2-95bc-06bb2780ed98)
- [Flight duration calculator](/#calculator)