# Distance from Denver (DEN) to Sigiriya (GIU)

> 14,669 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,669 km / 9,115 mi / 7,921 nm
- **Estimated flight time**: 18h
- **Heading**: 353° (north)
- **Return heading**: 6° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Sri Lanka
- **Intercontinental**: North America → Asia
- **Time difference**: +11.5h (When it's 21:00 in Denver, it's 08:30 in Sigiriya)
- **Elevation difference**: 4,804 ft (GIU 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

### [Sigiriya Airport (GIU)](https://www.flightduration.online/airport/giu-sigiriya-sigiriya-airport/1ef266df-ef7f-6ade-b839-06bb2780ed98)

- City: Sigiriya, Sri Lanka
- ICAO: VCCS
- Timezone: Asia/Colombo
- Coordinates: 7.960000, 80.730000
- Elevation: 630 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 21:00 in Denver, it's 08:30 in Sigiriya.
With a 11.5-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)
- [Sigiriya Airport (GIU)](https://www.flightduration.online/airport/giu-sigiriya-sigiriya-airport/1ef266df-ef7f-6ade-b839-06bb2780ed98)
- [Flight duration calculator](/#calculator)