# Distance from St Louis (STL) to Sui (SUL)

> 12,226 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,226 km / 7,597 mi / 6,601 nm
- **Estimated flight time**: 15h
- **Heading**: 19° (north northeast)
- **Return heading**: 343° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Pakistan
- **Intercontinental**: North America → Asia
- **Time difference**: +10h (When it's 23:54 in St Louis, it's 09:54 in Sui)
- **Elevation difference**: 146 ft (SUL 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

### [Sui Airport (SUL)](https://www.flightduration.online/airport/sul-sui-sui-airport/1ef266df-82a1-62c8-b956-06bb2780ed98)

- City: Sui, Pakistan
- ICAO: OPSU
- Timezone: Asia/Karachi
- Coordinates: 28.650000, 69.180000
- Elevation: 763 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 23:54 in St Louis, it's 09:54 in Sui.
With a 10-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)
- [Sui Airport (SUL)](https://www.flightduration.online/airport/sul-sui-sui-airport/1ef266df-82a1-62c8-b956-06bb2780ed98)
- [Flight duration calculator](/#calculator)