# Distance from Dehradun (DED) to Singapore (SIN)

> 4,207 km · estimated flight time 6h · Long-haul route.

## Summary

- **Distance**: 4,207 km / 2,614 mi / 2,272 nm
- **Estimated flight time**: 6h
- **Heading**: 135° (southeast)
- **Return heading**: 322° (northwest)
- **Classification**: Long-haul
- **Type**: International (India) → Singapore
- **Time difference**: +2.5h (When it's 02:31 in Dehradun, it's 05:01 in Singapore)
- **Elevation difference**: 1,809 ft (SIN is lower than DED)

## Airports

### [Dehradun Airport (DED)](https://www.flightduration.online/airport/ded-dehradun-dehradun-airport/1ef266df-f1fb-6664-aa1d-06bb2780ed98)

- City: Dehradun, India
- ICAO: VIDN
- Timezone: Asia/Kolkata
- Coordinates: 30.190000, 78.180000
- Elevation: 1,831 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 02:31 in Dehradun, it's 05:01 in Singapore.

## Related

- [Dehradun Airport (DED)](https://www.flightduration.online/airport/ded-dehradun-dehradun-airport/1ef266df-f1fb-6664-aa1d-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)