# Distance from St Louis (STL) to Antsalova (WAQ)

> 15,155 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,155 km / 9,417 mi / 8,183 nm
- **Estimated flight time**: 19h
- **Heading**: 76° (east northeast)
- **Return heading**: 307° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Madagascar
- **Intercontinental**: North America → Africa
- **Time difference**: +8h (When it's 23:39 in St Louis, it's 07:39 in Antsalova)
- **Elevation difference**: 66 ft (WAQ is lower 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

### [Antsalova Airport (WAQ)](https://www.flightduration.online/airport/waq-antsalova-antsalova-airport/1ef266de-db82-67a8-8d35-06bb2780ed98)

- City: Antsalova, Madagascar
- ICAO: FMMG
- Timezone: Indian/Antananarivo
- Coordinates: -18.700000, 44.610000
- Elevation: 551 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 23:39 in St Louis, it's 07:39 in Antsalova.
With a 8-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)
- [Antsalova Airport (WAQ)](https://www.flightduration.online/airport/waq-antsalova-antsalova-airport/1ef266de-db82-67a8-8d35-06bb2780ed98)
- [Flight duration calculator](/#calculator)