# Distance from St Louis (STL) to Ulundi (ULD)

> 14,588 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,588 km / 9,065 mi / 7,877 nm
- **Estimated flight time**: 18h
- **Heading**: 96° (east)
- **Return heading**: 298° (west northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → South Africa
- **Intercontinental**: North America → Africa
- **Time difference**: +7h (When it's 22:42 in St Louis, it's 05:42 in Ulundi)
- **Elevation difference**: 1,103 ft (ULD is higher than STL)

## Airports

### [St Louis Lambert International Airport (STL)](https://www.flightduration.online/airport/stl-st-louis-st-louis-lambert-international-airport/1ef266df-39ab-67da-9abe-06bb2780ed98)

- City: St Louis, United States
- ICAO: KSTL
- Timezone: America/Chicago
- Coordinates: 38.750000, -90.370000
- Elevation: 617 ft

### [Prince Mangosuthu Buthelezi Airport (ULD)](https://www.flightduration.online/airport/uld-ulundi-prince-mangosuthu-buthelezi-airport/1ef266de-d4fa-64bc-bdf0-06bb2780ed98)

- City: Ulundi, South Africa
- ICAO: FAUL
- Timezone: Africa/Johannesburg
- Coordinates: -28.320000, 31.420000
- Elevation: 1,720 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 22:42 in St Louis, it's 05:42 in Ulundi.
With a 7-hour time difference, expect significant jet lag.

## Related

- [St Louis Lambert International Airport (STL)](https://www.flightduration.online/airport/stl-st-louis-st-louis-lambert-international-airport/1ef266df-39ab-67da-9abe-06bb2780ed98)
- [Prince Mangosuthu Buthelezi Airport (ULD)](https://www.flightduration.online/airport/uld-ulundi-prince-mangosuthu-buthelezi-airport/1ef266de-d4fa-64bc-bdf0-06bb2780ed98)
- [Flight duration calculator](/#calculator)