# Distance from Washington (IAD) to Sylhet (ZYL)

> 12,829 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,829 km / 7,971 mi / 6,927 nm
- **Estimated flight time**: 16h
- **Heading**: 11° (north)
- **Return heading**: 351° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Bangladesh
- **Intercontinental**: North America → Asia
- **Time difference**: +10h (When it's 00:38 in Washington, it's 10:38 in Sylhet)
- **Elevation difference**: 262 ft (ZYL is lower than IAD)

## Airports

### [Washington Dulles International Airport (IAD)](https://www.flightduration.online/airport/iad-washington-washington-dulles-international-airport/1ef266df-22cc-64e2-b8c0-06bb2780ed98)

- City: Washington, United States
- ICAO: KIAD
- Timezone: America/New_York
- Coordinates: 38.900000, -77.500000
- Elevation: 312 ft

### [Osmany International Airport (ZYL)](https://www.flightduration.online/airport/zyl-sylhet-osmany-international-airport/1ef266df-f170-664a-b23d-06bb2780ed98)

- City: Sylhet, Bangladesh
- ICAO: VGSY
- Timezone: Asia/Dhaka
- Coordinates: 24.960000, 91.870000
- Elevation: 50 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 00:38 in Washington, it's 10:38 in Sylhet.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Washington Dulles International Airport (IAD)](https://www.flightduration.online/airport/iad-washington-washington-dulles-international-airport/1ef266df-22cc-64e2-b8c0-06bb2780ed98)
- [Osmany International Airport (ZYL)](https://www.flightduration.online/airport/zyl-sylhet-osmany-international-airport/1ef266df-f170-664a-b23d-06bb2780ed98)
- [Flight duration calculator](/#calculator)