# Distance from Sihanukville (KOS) to Chicago (ORD)

> 14,053 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,053 km / 8,732 mi / 7,588 nm
- **Estimated flight time**: 18h
- **Heading**: 11° (north)
- **Return heading**: 346° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Cambodia) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -12h (When it's 12:38 in Sihanukville, it's 00:38 in Chicago)
- **Elevation difference**: 647 ft (ORD is higher than KOS)

## Airports

### [Sihanoukville International Airport (KOS)](https://www.flightduration.online/airport/kos-sihanukville-sihanoukville-international-airport/1ef266df-efc0-6d7c-8334-06bb2780ed98)

- City: Sihanukville, Cambodia
- ICAO: VDSV
- Timezone: Asia/Phnom_Penh
- Coordinates: 10.580000, 103.640000
- Elevation: 33 ft

### [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

## 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 12:38 in Sihanukville, it's 00:38 in Chicago.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Sihanoukville International Airport (KOS)](https://www.flightduration.online/airport/kos-sihanukville-sihanoukville-international-airport/1ef266df-efc0-6d7c-8334-06bb2780ed98)
- [Chicago O'Hare International Airport (ORD)](https://www.flightduration.online/airport/ord-chicago-chicago-ohare-international-airport/1ef266df-3115-6742-b012-06bb2780ed98)
- [Flight duration calculator](/#calculator)