# Distance from St Louis (STL) to Savannakhet Airport (ZVK)

> 13,666 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,666 km / 8,492 mi / 7,379 nm
- **Estimated flight time**: 17h
- **Heading**: 343° (north northwest)
- **Return heading**: 14° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Laos
- **Intercontinental**: North America → Asia
- **Time difference**: +12h (When it's 07:22 in St Louis, it's 19:22 in Savannakhet Airport)
- **Elevation difference**: 108 ft (ZVK is lower than STL)

## Airports

### [St Louis Lambert International Airport (STL)](https://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

### [Savannakhet Airport (ZVK)](https://flightduration.online/airport/zvk-savannakhet-airport/1ef266df-f292-6ee2-ab54-06bb2780ed98)

- City: Savannakhet Airport, Laos
- ICAO: VLSK
- Timezone: Asia/Vientiane
- Coordinates: 16.560000, 104.760000
- Elevation: 509 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 07:22 in St Louis, it's 19:22 in Savannakhet Airport.
With a 12-hour time difference, expect significant jet lag.

## Related

- [St Louis Lambert International Airport (STL)](https://flightduration.online/airport/stl-st-louis-st-louis-lambert-international-airport/1ef266df-39ab-67da-9abe-06bb2780ed98)
- [Savannakhet Airport (ZVK)](https://flightduration.online/airport/zvk-savannakhet-airport/1ef266df-f292-6ee2-ab54-06bb2780ed98)
- [Flight duration calculator](/#calculator)