# Distance from Seattle (SEA) to Santa Teresita (SST)

> 11,382 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 11,382 km / 7,072 mi / 6,146 nm
- **Estimated flight time**: 14h
- **Heading**: 131° (southeast)
- **Return heading**: 321° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Argentina
- **Intercontinental**: North America → South America
- **Time difference**: +4h (When it's 11:18 in Seattle, it's 15:18 in Santa Teresita)
- **Elevation difference**: 423 ft (SST is lower than SEA)

## Airports

### [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)

- City: Seattle, United States
- ICAO: KSEA
- Timezone: America/Los_Angeles
- Coordinates: 47.450000, -122.310000
- Elevation: 432 ft

### [Santa Teresita Airport (SST)](https://www.flightduration.online/airport/sst-santa-teresita-santa-teresita-airport/1ef266df-9368-6aca-8ec3-06bb2780ed98)

- City: Santa Teresita, Argentina
- ICAO: SAZL
- Timezone: America/Argentina/Buenos_Aires
- Coordinates: -36.540000, -56.720000
- Elevation: 9 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 11:18 in Seattle, it's 15:18 in Santa Teresita.
The 4-hour time difference may cause some jet lag.

## Related

- [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Santa Teresita Airport (SST)](https://www.flightduration.online/airport/sst-santa-teresita-santa-teresita-airport/1ef266df-9368-6aca-8ec3-06bb2780ed98)
- [Flight duration calculator](/#calculator)