# Distance from Bangkok (BKK) to Chicago/Rockford (RFD)

> 13,720 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,720 km / 8,525 mi / 7,408 nm
- **Estimated flight time**: 17h
- **Heading**: 9° (north)
- **Return heading**: 349° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Thailand) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -12h (When it's 09:41 in Bangkok, it's 21:41 in Chicago/Rockford)
- **Elevation difference**: 737 ft (RFD is higher than BKK)

## Airports

### [Suvarnabhumi Airport (BKK)](https://www.flightduration.online/airport/bkk-bangkok-suvarnabhumi-airport/1ef266df-f511-6042-a32f-06bb2780ed98)

- City: Bangkok, Thailand
- ICAO: VTBS
- Timezone: Asia/Bangkok
- Coordinates: 13.680000, 100.750000
- Elevation: 5 ft

### [Chicago/Rockford International Airport (RFD)](https://www.flightduration.online/airport/rfd-chicagorockford-chicagorockford-international-airport/1ef266df-34f9-6eee-9048-06bb2780ed98)

- City: Chicago/Rockford, United States
- ICAO: KRFD
- Timezone: America/Chicago
- Coordinates: 42.200000, -89.100000
- Elevation: 742 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 09:41 in Bangkok, it's 21:41 in Chicago/Rockford.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Suvarnabhumi Airport (BKK)](https://www.flightduration.online/airport/bkk-bangkok-suvarnabhumi-airport/1ef266df-f511-6042-a32f-06bb2780ed98)
- [Chicago/Rockford International Airport (RFD)](https://www.flightduration.online/airport/rfd-chicagorockford-chicagorockford-international-airport/1ef266df-34f9-6eee-9048-06bb2780ed98)
- [Flight duration calculator](/#calculator)