# Distance from Chicago (ORD) to Smithton Airport (SIO)

> 15,666 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,666 km / 9,735 mi / 8,459 nm
- **Estimated flight time**: 19h
- **Heading**: 253° (west southwest)
- **Return heading**: 70° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Australia
- **Intercontinental**: North America → Oceania
- **Time difference**: +15h (When it's 05:12 in Chicago, it's 20:12 in Smithton Airport)
- **Elevation difference**: 649 ft (SIO is lower than ORD)

## Airports

### [Chicago O'Hare International Airport (ORD)](https://www.flightduration.online/airport/ord-chicago-chicago-ohare-international-airport/1ef266df-3115-6742-b012-06bb2780ed98)

- City: Chicago, United States
- ICAO: KORD
- Timezone: America/Chicago
- Coordinates: 41.980000, -87.910000
- Elevation: 680 ft

### [Smithton Airport (SIO)](https://www.flightduration.online/airport/sio-smithton-airport/1ef266e0-1932-6eee-8e2b-06bb2780ed98)

- City: Smithton Airport, Australia
- ICAO: YSMI
- Timezone: Australia/Hobart
- Coordinates: -40.840000, 145.080000
- Elevation: 31 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 05:12 in Chicago, it's 20:12 in Smithton Airport.
With a 15-hour time difference, expect significant jet lag.

## Related

- [Chicago O'Hare International Airport (ORD)](https://www.flightduration.online/airport/ord-chicago-chicago-ohare-international-airport/1ef266df-3115-6742-b012-06bb2780ed98)
- [Smithton Airport (SIO)](https://www.flightduration.online/airport/sio-smithton-airport/1ef266e0-1932-6eee-8e2b-06bb2780ed98)
- [Flight duration calculator](/#calculator)