# Distance from Altamira (ATM) to Seattle (SEA)

> 8,799 km · estimated flight time 11h · Long-haul route.

## Summary

- **Distance**: 8,799 km / 5,468 mi / 4,751 nm
- **Estimated flight time**: 11h
- **Heading**: 320° (northwest)
- **Return heading**: 107° (east southeast)
- **Classification**: Long-haul
- **Type**: International (Brazil) → United States
- **Intercontinental**: South America → North America
- **Time difference**: -4h (When it's 12:33 in Altamira, it's 08:33 in Seattle)
- **Elevation difference**: 63 ft (SEA is higher than ATM)

## Airports

### [Altamira Airport (ATM)](https://www.flightduration.online/airport/atm-altamira-altamira-airport/1ef266df-94a8-619c-aa24-06bb2780ed98)

- City: Altamira, Brazil
- ICAO: SBHT
- Timezone: America/Santarem
- Coordinates: -3.250000, -52.250000
- Elevation: 369 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 a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 12:33 in Altamira, it's 08:33 in Seattle.
The 4-hour time difference may cause some jet lag.

## Related

- [Altamira Airport (ATM)](https://www.flightduration.online/airport/atm-altamira-altamira-airport/1ef266df-94a8-619c-aa24-06bb2780ed98)
- [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)