# Distance from Dayrestan Airport (GSM) to Singapore (SIN)

> 5,853 km · estimated flight time 8h · Long-haul route.

## Summary

- **Distance**: 5,853 km / 3,637 mi / 3,160 nm
- **Estimated flight time**: 8h
- **Heading**: 111° (east southeast)
- **Return heading**: 303° (west northwest)
- **Classification**: Long-haul
- **Type**: International (Iran) → Singapore
- **Time difference**: +4.5h (When it's 10:21 in Dayrestan Airport, it's 14:51 in Singapore)
- **Elevation difference**: 23 ft (SIN is lower than GSM)

## Airports

### [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

### [Singapore Changi International Airport (SIN)](https://www.flightduration.online/airport/sin-singapore-singapore-changi-international-airport/1ef266e0-00ca-656e-b481-06bb2780ed98)

- City: Singapore, Singapore
- ICAO: WSSS
- Timezone: Asia/Singapore
- Coordinates: 1.350000, 103.990000
- Elevation: 22 ft

## Route notes

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 10:21 in Dayrestan Airport, it's 14:51 in Singapore.
The 4.5-hour time difference may cause some jet lag.

## Related

- [Dayrestan Airport (GSM)](https://www.flightduration.online/airport/gsm-dayrestan-airport/1ef266df-7dd7-65b2-95bc-06bb2780ed98)
- [Singapore Changi International Airport (SIN)](https://www.flightduration.online/airport/sin-singapore-singapore-changi-international-airport/1ef266e0-00ca-656e-b481-06bb2780ed98)
- [Flight duration calculator](/#calculator)