# Distance from Denver (DEN) to Sibolga-Sumatra Island (FLZ)

> 14,823 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,823 km / 9,211 mi / 8,004 nm
- **Estimated flight time**: 18h
- **Heading**: 327° (north northwest)
- **Return heading**: 25° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Indonesia
- **Intercontinental**: North America → Asia
- **Time difference**: +13h (When it's 09:50 in Denver, it's 22:50 in Sibolga-Sumatra Island)
- **Elevation difference**: 5,391 ft (FLZ 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

### [Dr Ferdinand Lumban Tobing Airport (FLZ)](https://www.flightduration.online/airport/flz-sibolga-sumatra-island-dr-ferdinand-lumban-tobing-airport/1ef266df-fd7a-69b8-bc4a-06bb2780ed98)

- City: Sibolga-Sumatra Island, Indonesia
- ICAO: WIMS
- Timezone: Asia/Jakarta
- Coordinates: 1.560000, 98.890000
- Elevation: 43 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 09:50 in Denver, it's 22:50 in Sibolga-Sumatra Island.
With a 13-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)
- [Dr Ferdinand Lumban Tobing Airport (FLZ)](https://www.flightduration.online/airport/flz-sibolga-sumatra-island-dr-ferdinand-lumban-tobing-airport/1ef266df-fd7a-69b8-bc4a-06bb2780ed98)
- [Flight duration calculator](/#calculator)