# Distance from St Louis (STL) to Waterloo Airport (WLO)

> 15,451 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,451 km / 9,601 mi / 8,343 nm
- **Estimated flight time**: 19h
- **Heading**: 291° (west northwest)
- **Return heading**: 49° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Australia
- **Intercontinental**: North America → Oceania
- **Time difference**: +14.5h (When it's 06:05 in St Louis, it's 20:35 in Waterloo Airport)
- **Elevation difference**: 485 ft (WLO 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

### [Waterloo Airport (WLO)](https://www.flightduration.online/airport/wlo-waterloo-airport/1ef266e0-1d2b-6cc6-85d5-06bb2780ed98)

- City: Waterloo Airport, Australia
- ICAO: YWTL
- Timezone: Australia/Darwin
- Coordinates: -16.630000, 129.320000
- Elevation: 132 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 06:05 in St Louis, it's 20:35 in Waterloo Airport.
With a 14.5-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)
- [Waterloo Airport (WLO)](https://www.flightduration.online/airport/wlo-waterloo-airport/1ef266e0-1d2b-6cc6-85d5-06bb2780ed98)
- [Flight duration calculator](/#calculator)