# Distance from Denver (DEN) to Sylhet (ZYL)

> 12,606 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,606 km / 7,833 mi / 6,807 nm
- **Estimated flight time**: 16h
- **Heading**: 344° (north northwest)
- **Return heading**: 14° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Bangladesh
- **Intercontinental**: North America → Asia
- **Time difference**: +12h (When it's 23:19 in Denver, it's 11:19 in Sylhet)
- **Elevation difference**: 5,384 ft (ZYL is lower than DEN)

## Airports

### [Denver International Airport (DEN)](https://www.flightduration.online/airport/den-denver-denver-international-airport/1ef266df-1706-67b6-bf3a-06bb2780ed98)

- City: Denver, United States
- ICAO: KDEN
- Timezone: America/Denver
- Coordinates: 39.860000, -104.670000
- Elevation: 5,434 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 23:19 in Denver, it's 11:19 in Sylhet.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Denver International Airport (DEN)](https://www.flightduration.online/airport/den-denver-denver-international-airport/1ef266df-1706-67b6-bf3a-06bb2780ed98)
- [Osmany International Airport (ZYL)](https://www.flightduration.online/airport/zyl-sylhet-osmany-international-airport/1ef266df-f170-664a-b23d-06bb2780ed98)
- [Flight duration calculator](/#calculator)