# Distance from Dehradun (DED) to Sydney (SYD)

> 10,462 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,462 km / 6,501 mi / 5,649 nm
- **Estimated flight time**: 13h
- **Heading**: 127° (southeast)
- **Return heading**: 304° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (India) → Australia
- **Intercontinental**: Asia → Oceania
- **Time difference**: +4.5h (When it's 02:35 in Dehradun, it's 07:05 in Sydney)
- **Elevation difference**: 1,810 ft (SYD 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

### [Sydney Kingsford Smith International Airport (SYD)](https://www.flightduration.online/airport/syd-sydney-sydney-kingsford-smith-international-airport/1ef266e0-1982-6f84-a5a1-06bb2780ed98)

- City: Sydney, Australia
- ICAO: YSSY
- Timezone: Australia/Sydney
- Coordinates: -33.950000, 151.180000
- Elevation: 21 ft

## Route notes

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

Time-zone information: When it's 02:35 in Dehradun, it's 07:05 in Sydney.
The 4.5-hour time difference may cause some jet lag.

## Related

- [Dehradun Airport (DED)](https://www.flightduration.online/airport/ded-dehradun-dehradun-airport/1ef266df-f1fb-6664-aa1d-06bb2780ed98)
- [Sydney Kingsford Smith International Airport (SYD)](https://www.flightduration.online/airport/syd-sydney-sydney-kingsford-smith-international-airport/1ef266e0-1982-6f84-a5a1-06bb2780ed98)
- [Flight duration calculator](/#calculator)