# Distance from Dayton (DAY) to Sydney (SYD)

> 15,125 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,125 km / 9,398 mi / 8,167 nm
- **Estimated flight time**: 19h
- **Heading**: 260° (west)
- **Return heading**: 65° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Australia
- **Intercontinental**: North America → Oceania
- **Time difference**: +14h (When it's 17:26 in Dayton, it's 07:26 in Sydney)
- **Elevation difference**: 988 ft (SYD is lower than DAY)

## Airports

### [James M Cox Dayton International Airport (DAY)](https://www.flightduration.online/airport/day-dayton-james-m-cox-dayton-international-airport/1ef266df-16d1-6db8-8338-06bb2780ed98)

- City: Dayton, United States
- ICAO: KDAY
- Timezone: America/New_York
- Coordinates: 39.900000, -84.220000
- Elevation: 1,009 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 17:26 in Dayton, it's 07:26 in Sydney.
With a 14-hour time difference, expect significant jet lag.

## Related

- [James M Cox Dayton International Airport (DAY)](https://www.flightduration.online/airport/day-dayton-james-m-cox-dayton-international-airport/1ef266df-16d1-6db8-8338-06bb2780ed98)
- [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)