# Distance from Dezful Airport (DEF) to Singapore (SIN)

> 6,749 km · estimated flight time 9h · Long-haul route.

## Summary

- **Distance**: 6,749 km / 4,194 mi / 3,644 nm
- **Estimated flight time**: 9h
- **Heading**: 109° (east southeast)
- **Return heading**: 307° (northwest)
- **Classification**: Long-haul
- **Type**: International (Iran) → Singapore
- **Time difference**: +4.5h (When it's 04:16 in Dezful Airport, it's 08:46 in Singapore)
- **Elevation difference**: 452 ft (SIN is lower than DEF)

## Airports

### [Dezful Airport (DEF)](https://www.flightduration.online/airport/def-dezful-airport/1ef266df-7cbf-679c-95be-06bb2780ed98)

- City: Dezful Airport, Iran
- ICAO: OIAD
- Timezone: Asia/Tehran
- Coordinates: 32.430000, 48.400000
- Elevation: 474 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 04:16 in Dezful Airport, it's 08:46 in Singapore.
The 4.5-hour time difference may cause some jet lag.

## Related

- [Dezful Airport (DEF)](https://www.flightduration.online/airport/def-dezful-airport/1ef266df-7cbf-679c-95be-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)