# Distance from Washington (DCA) to Silgadi Doti (SIH)

> 12,105 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,105 km / 7,522 mi / 6,536 nm
- **Estimated flight time**: 15h
- **Heading**: 20° (north northeast)
- **Return heading**: 342° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Nepal
- **Intercontinental**: North America → Asia
- **Time difference**: +9.75h (When it's 23:40 in Washington, it's 09:25 in Silgadi Doti)
- **Elevation difference**: 2,086 ft (SIH is higher than DCA)

## Airports

### [Ronald Reagan Washington Ntl Airport (DCA)](https://www.flightduration.online/airport/dca-washington-ronald-reagan-washington-ntl-airport/1ef266df-16de-6284-ae10-06bb2780ed98)

- City: Washington, United States
- ICAO: KDCA
- Timezone: America/New_York
- Coordinates: 38.850000, -77.040000
- Elevation: 14 ft

### [Silgadi Doti Airport (SIH)](https://www.flightduration.online/airport/sih-silgadi-doti-silgadi-doti-airport/1ef266df-f2e8-66f8-b9bf-06bb2780ed98)

- City: Silgadi Doti, Nepal
- ICAO: VNDT
- Timezone: Asia/Kathmandu
- Coordinates: 29.260000, 80.940000
- Elevation: 2,100 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 23:40 in Washington, it's 09:25 in Silgadi Doti.
With a 9.75-hour time difference, expect significant jet lag.

## Related

- [Ronald Reagan Washington Ntl Airport (DCA)](https://www.flightduration.online/airport/dca-washington-ronald-reagan-washington-ntl-airport/1ef266df-16de-6284-ae10-06bb2780ed98)
- [Silgadi Doti Airport (SIH)](https://www.flightduration.online/airport/sih-silgadi-doti-silgadi-doti-airport/1ef266df-f2e8-66f8-b9bf-06bb2780ed98)
- [Flight duration calculator](/#calculator)