# Distance from Nakhon Pathom (KDT) to Chicago (ORD)

> 13,728 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,728 km / 8,530 mi / 7,412 nm
- **Estimated flight time**: 17h
- **Heading**: 7° (north)
- **Return heading**: 351° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Thailand) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -12h (When it's 17:34 in Nakhon Pathom, it's 05:34 in Chicago)
- **Elevation difference**: 650 ft (ORD is higher than KDT)

## Airports

### [Kamphaeng Saen Airport (KDT)](https://www.flightduration.online/airport/kdt-nakhon-pathom-kamphaeng-saen-airport/1ef266df-f4fc-64f8-a7f4-06bb2780ed98)

- City: Nakhon Pathom, Thailand
- ICAO: VTBK
- Timezone: Asia/Bangkok
- Coordinates: 14.100000, 99.920000
- Elevation: 30 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 17:34 in Nakhon Pathom, it's 05:34 in Chicago.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Kamphaeng Saen Airport (KDT)](https://www.flightduration.online/airport/kdt-nakhon-pathom-kamphaeng-saen-airport/1ef266df-f4fc-64f8-a7f4-06bb2780ed98)
- [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)