# Distance from Hamadan (HDM) to Singapore (SIN)

> 6,827 km · estimated flight time 9h · Long-haul route.

## Summary

- **Distance**: 6,827 km / 4,242 mi / 3,686 nm
- **Estimated flight time**: 9h
- **Heading**: 110° (east southeast)
- **Return heading**: 310° (northwest)
- **Classification**: Long-haul
- **Type**: International (Iran) → Singapore
- **Time difference**: +4.5h (When it's 10:40 in Hamadan, it's 15:10 in Singapore)
- **Elevation difference**: 5,733 ft (SIN is lower than HDM)

## Airports

### [Hamadan Airport (HDM)](https://www.flightduration.online/airport/hdm-hamadan-hamadan-airport/1ef266df-7d70-6222-b5d6-06bb2780ed98)

- City: Hamadan, Iran
- ICAO: OIHH
- Timezone: Asia/Tehran
- Coordinates: 34.870000, 48.550000
- Elevation: 5,755 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 10:40 in Hamadan, it's 15:10 in Singapore.
The 4.5-hour time difference may cause some jet lag.

## Related

- [Hamadan Airport (HDM)](https://www.flightduration.online/airport/hdm-hamadan-hamadan-airport/1ef266df-7d70-6222-b5d6-06bb2780ed98)
- [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)