# Distance from Sibolga-Sumatra Island (FLZ) to Washington (IAD)

> 15,501 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,501 km / 9,632 mi / 8,370 nm
- **Estimated flight time**: 19h
- **Heading**: 356° (north)
- **Return heading**: 6° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Indonesia) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -11h (When it's 01:08 in Sibolga-Sumatra Island, it's 14:08 in Washington)
- **Elevation difference**: 269 ft (IAD is higher than FLZ)

## Airports

### [Dr Ferdinand Lumban Tobing Airport (FLZ)](https://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

### [Washington Dulles International Airport (IAD)](https://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

## 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 01:08 in Sibolga-Sumatra Island, it's 14:08 in Washington.
With a 11-hour time difference, expect significant jet lag.

## Related

- [Dr Ferdinand Lumban Tobing Airport (FLZ)](https://flightduration.online/airport/flz-sibolga-sumatra-island-dr-ferdinand-lumban-tobing-airport/1ef266df-fd7a-69b8-bc4a-06bb2780ed98)
- [Washington Dulles International Airport (IAD)](https://flightduration.online/airport/iad-washington-washington-dulles-international-airport/1ef266df-22cc-64e2-b8c0-06bb2780ed98)
- [Flight duration calculator](/#calculator)