# Distance from Singapore (SIN) to Tehran (THR)

> 6,627 km · estimated flight time 9h · Long-haul route.

## Summary

- **Distance**: 6,627 km / 4,118 mi / 3,579 nm
- **Estimated flight time**: 9h
- **Heading**: 312° (northwest)
- **Return heading**: 113° (east southeast)
- **Classification**: Long-haul
- **Type**: International (Singapore) → Iran
- **Time difference**: -4.5h (When it's 17:08 in Singapore, it's 12:38 in Tehran)
- **Elevation difference**: 3,940 ft (THR is higher than SIN)

## Airports

### [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

### [Mehrabad International Airport (THR)](https://www.flightduration.online/airport/thr-tehran-mehrabad-international-airport/1ef266df-7d9a-64b4-a7a7-06bb2780ed98)

- City: Tehran, Iran
- ICAO: OIII
- Timezone: Asia/Tehran
- Coordinates: 35.690000, 51.310000
- Elevation: 3,962 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 17:08 in Singapore, it's 12:38 in Tehran.
The 4.5-hour time difference may cause some jet lag.

## Related

- [Singapore Changi International Airport (SIN)](https://www.flightduration.online/airport/sin-singapore-singapore-changi-international-airport/1ef266e0-00ca-656e-b481-06bb2780ed98)
- [Mehrabad International Airport (THR)](https://www.flightduration.online/airport/thr-tehran-mehrabad-international-airport/1ef266df-7d9a-64b4-a7a7-06bb2780ed98)
- [Flight duration calculator](/#calculator)