# Distance from Diamantino (DMT) to Seattle (SEA)

> 9,469 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,469 km / 5,884 mi / 5,113 nm
- **Estimated flight time**: 12h
- **Heading**: 322° (northwest)
- **Return heading**: 117° (east southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Brazil) → United States
- **Intercontinental**: South America → North America
- **Time difference**: -3h (When it's 08:14 in Diamantino, it's 05:14 in Seattle)
- **Elevation difference**: 1,044 ft (SEA is lower than DMT)

## Airports

### [Diamantino Airport (DMT)](https://www.flightduration.online/airport/dmt-diamantino-diamantino-airport/1ef266df-d64b-63c4-9a0c-06bb2780ed98)

- City: Diamantino, Brazil
- ICAO: SWDM
- Timezone: America/Campo_Grande
- Coordinates: -14.380000, -56.400000
- Elevation: 1,476 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 08:14 in Diamantino, it's 05:14 in Seattle.
The 3-hour time difference may cause some jet lag.

## Related

- [Diamantino Airport (DMT)](https://www.flightduration.online/airport/dmt-diamantino-diamantino-airport/1ef266df-d64b-63c4-9a0c-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)