# Distance from Alton/St Louis (ALN) to Jakarta (CGK)

> 16,004 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 16,004 km / 9,944 mi / 8,641 nm
- **Estimated flight time**: 20h
- **Heading**: 331° (north northwest)
- **Return heading**: 22° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Indonesia
- **Intercontinental**: North America → Asia
- **Time difference**: +12h (When it's 00:30 in Alton/St Louis, it's 12:30 in Jakarta)
- **Elevation difference**: 510 ft (CGK is lower than ALN)

## Airports

### [St Louis Regional Airport (ALN)](https://www.flightduration.online/airport/aln-altonst-louis-st-louis-regional-airport/1ef266df-0e15-6d96-bfee-06bb2780ed98)

- City: Alton/St Louis, United States
- ICAO: KALN
- Timezone: America/Chicago
- Coordinates: 38.890000, -90.050000
- Elevation: 544 ft

### [Soekarno-Hatta International Airport (CGK)](https://www.flightduration.online/airport/cgk-jakarta-soekarno-hatta-international-airport/1ef266df-fd39-6fee-94bf-06bb2780ed98)

- City: Jakarta, Indonesia
- ICAO: WIII
- Timezone: Asia/Jakarta
- Coordinates: -6.130000, 106.660000
- Elevation: 34 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 00:30 in Alton/St Louis, it's 12:30 in Jakarta.
With a 12-hour time difference, expect significant jet lag.

## Related

- [St Louis Regional Airport (ALN)](https://www.flightduration.online/airport/aln-altonst-louis-st-louis-regional-airport/1ef266df-0e15-6d96-bfee-06bb2780ed98)
- [Soekarno-Hatta International Airport (CGK)](https://www.flightduration.online/airport/cgk-jakarta-soekarno-hatta-international-airport/1ef266df-fd39-6fee-94bf-06bb2780ed98)
- [Flight duration calculator](/#calculator)