# Distance from Boulder City (BLD) to Sydney (SYD)

> 12,451 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,451 km / 7,737 mi / 6,723 nm
- **Estimated flight time**: 16h
- **Heading**: 243° (west southwest)
- **Return heading**: 61° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Australia
- **Intercontinental**: North America → Oceania
- **Time difference**: +17h (When it's 21:32 in Boulder City, it's 14:32 in Sydney)
- **Elevation difference**: 2,182 ft (SYD is lower than BLD)

## Airports

### [Boulder City Municipal Airport (BLD)](https://www.flightduration.online/airport/bld-boulder-city-boulder-city-municipal-airport/1ef266df-11c1-654e-99ef-06bb2780ed98)

- City: Boulder City, United States
- ICAO: KBVU
- Timezone: America/Los_Angeles
- Coordinates: 35.950000, -114.860000
- Elevation: 2,203 ft

### [Sydney Kingsford Smith International Airport (SYD)](https://www.flightduration.online/airport/syd-sydney-sydney-kingsford-smith-international-airport/1ef266e0-1982-6f84-a5a1-06bb2780ed98)

- City: Sydney, Australia
- ICAO: YSSY
- Timezone: Australia/Sydney
- Coordinates: -33.950000, 151.180000
- Elevation: 21 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 21:32 in Boulder City, it's 14:32 in Sydney.
With a 17-hour time difference, expect significant jet lag.

## Related

- [Boulder City Municipal Airport (BLD)](https://www.flightduration.online/airport/bld-boulder-city-boulder-city-municipal-airport/1ef266df-11c1-654e-99ef-06bb2780ed98)
- [Sydney Kingsford Smith International Airport (SYD)](https://www.flightduration.online/airport/syd-sydney-sydney-kingsford-smith-international-airport/1ef266e0-1982-6f84-a5a1-06bb2780ed98)
- [Flight duration calculator](/#calculator)