# Distance from Necochea (NEC) to Seattle (SEA)

> 11,435 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 11,435 km / 7,105 mi / 6,174 nm
- **Estimated flight time**: 14h
- **Heading**: 322° (northwest)
- **Return heading**: 134° (southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Argentina) → United States
- **Intercontinental**: South America → North America
- **Time difference**: -4h (When it's 09:24 in Necochea, it's 05:24 in Seattle)
- **Elevation difference**: 360 ft (SEA is higher than NEC)

## Airports

### [Necochea Airport (NEC)](https://flightduration.online/airport/nec-necochea-necochea-airport/1ef266df-9374-6df2-8aed-06bb2780ed98)

- City: Necochea, Argentina
- ICAO: SAZO
- Timezone: America/Argentina/Buenos_Aires
- Coordinates: -38.480000, -58.820000
- Elevation: 72 ft

### [Seattle-Tacoma International Airport (SEA)](https://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 09:24 in Necochea, it's 05:24 in Seattle.
The 4-hour time difference may cause some jet lag.

## Related

- [Necochea Airport (NEC)](https://flightduration.online/airport/nec-necochea-necochea-airport/1ef266df-9374-6df2-8aed-06bb2780ed98)
- [Seattle-Tacoma International Airport (SEA)](https://flightduration.online/airport/sea-seattle-seattle-tacoma-international-airport/1ef266df-37e8-64a2-a4f1-06bb2780ed98)
- [Flight duration calculator](/#calculator)