# Distance from Cumaru Do Norte (ITI) to Seattle (SEA)

> 9,340 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,340 km / 5,803 mi / 5,043 nm
- **Estimated flight time**: 12h
- **Heading**: 320° (northwest)
- **Return heading**: 110° (east southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Brazil) → United States
- **Intercontinental**: South America → North America
- **Time difference**: -4h (When it's 19:19 in Cumaru Do Norte, it's 15:19 in Seattle)
- **Elevation difference**: 664 ft (SEA is lower than ITI)

## Airports

### [Agropecuaria Castanhais Airport (ITI)](https://flightduration.online/airport/iti-cumaru-do-norte-agropecuaria-castanhais-airport/1ef266df-c265-60b2-be5d-06bb2780ed98)

- City: Cumaru Do Norte, Brazil
- ICAO: SNYH
- Timezone: America/Santarem
- Coordinates: -8.700000, -51.170000
- Elevation: 1,096 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 19:19 in Cumaru Do Norte, it's 15:19 in Seattle.
The 4-hour time difference may cause some jet lag.

## Related

- [Agropecuaria Castanhais Airport (ITI)](https://flightduration.online/airport/iti-cumaru-do-norte-agropecuaria-castanhais-airport/1ef266df-c265-60b2-be5d-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)