# Distance from Philadelphia (PHL) to Sydney (SYD)

> 15,883 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 15,883 km / 9,869 mi / 8,576 nm
- **Estimated flight time**: 20h
- **Heading**: 264° (west)
- **Return heading**: 67° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Australia
- **Intercontinental**: North America → Oceania
- **Time difference**: +14h (When it's 21:06 in Philadelphia, it's 11:06 in Sydney)
- **Elevation difference**: 15 ft (SYD is lower than PHL)

## Airports

### [Philadelphia International Airport (PHL)](https://www.flightduration.online/airport/phl-philadelphia-philadelphia-international-airport/1ef266df-3298-6dbc-a5dd-06bb2780ed98)

- City: Philadelphia, United States
- ICAO: KPHL
- Timezone: America/New_York
- Coordinates: 39.870000, -75.240000
- Elevation: 36 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 21:06 in Philadelphia, it's 11:06 in Sydney.
With a 14-hour time difference, expect significant jet lag.

## Related

- [Philadelphia International Airport (PHL)](https://www.flightduration.online/airport/phl-philadelphia-philadelphia-international-airport/1ef266df-3298-6dbc-a5dd-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)