# Distance from Mercedes (MDX) to Seattle (SEA)

> 10,665 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 10,665 km / 6,627 mi / 5,758 nm
- **Estimated flight time**: 14h
- **Heading**: 322° (northwest)
- **Return heading**: 128° (southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Argentina) → United States
- **Intercontinental**: South America → North America
- **Time difference**: -4h (When it's 08:40 in Mercedes, it's 04:40 in Seattle)
- **Elevation difference**: 74 ft (SEA is higher than MDX)

## Airports

### [Mercedes Airport (MDX)](https://www.flightduration.online/airport/mdx-mercedes-mercedes-airport/1ef266df-9292-6af6-938e-06bb2780ed98)

- City: Mercedes, Argentina
- ICAO: SATM
- Timezone: America/Argentina/Cordoba
- Coordinates: -29.220000, -58.090000
- Elevation: 358 ft

### [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

## 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 08:40 in Mercedes, it's 04:40 in Seattle.
The 4-hour time difference may cause some jet lag.

## Related

- [Mercedes Airport (MDX)](https://www.flightduration.online/airport/mdx-mercedes-mercedes-airport/1ef266df-9292-6af6-938e-06bb2780ed98)
- [Seattle-Tacoma International Airport (SEA)](https://www.flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Flight duration calculator](/#calculator)