# Distance from Bangkok (BKK) to Impfondo (ION)

> 9,174 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,174 km / 5,701 mi / 4,954 nm
- **Estimated flight time**: 12h
- **Heading**: 270° (west)
- **Return heading**: 76° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Thailand) → Congo
- **Intercontinental**: Asia → Africa
- **Time difference**: -6h (When it's 12:57 in Bangkok, it's 06:57 in Impfondo)
- **Elevation difference**: 1,094 ft (ION 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

### [Impfondo Airport (ION)](https://www.flightduration.online/airport/ion-impfondo-impfondo-airport/1ef266de-d690-615a-a20b-06bb2780ed98)

- City: Impfondo, Congo
- ICAO: FCOI
- Timezone: Africa/Brazzaville
- Coordinates: 1.620000, 18.070000
- Elevation: 1,099 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 12:57 in Bangkok, it's 06:57 in Impfondo.
With a 6-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)
- [Impfondo Airport (ION)](https://www.flightduration.online/airport/ion-impfondo-impfondo-airport/1ef266de-d690-615a-a20b-06bb2780ed98)
- [Flight duration calculator](/#calculator)