# Distance from St Louis (STL) to Yap Island (YAP)

> 12,677 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,677 km / 7,877 mi / 6,845 nm
- **Estimated flight time**: 16h
- **Heading**: 306° (northwest)
- **Return heading**: 40° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Micronesia
- **Intercontinental**: North America → Oceania
- **Time difference**: +15h (When it's 15:46 in St Louis, it's 06:46 in Yap Island)
- **Elevation difference**: 527 ft (YAP 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

### [Yap International Airport (YAP)](https://www.flightduration.online/airport/yap-yap-island-yap-international-airport/1ef266df-8aa8-6818-89dc-06bb2780ed98)

- City: Yap Island, Micronesia
- ICAO: PTYA
- Timezone: Pacific/Chuuk
- Coordinates: 9.500000, 138.080000
- Elevation: 91 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 15:46 in St Louis, it's 06:46 in Yap Island.
With a 15-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)
- [Yap International Airport (YAP)](https://www.flightduration.online/airport/yap-yap-island-yap-international-airport/1ef266df-8aa8-6818-89dc-06bb2780ed98)
- [Flight duration calculator](/#calculator)