# Distance from Rio Mayo (ROY) to Seattle (SEA)

> 11,531 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,531 km / 7,165 mi / 6,226 nm
- **Estimated flight time**: 15h
- **Heading**: 327° (north northwest)
- **Return heading**: 145° (southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Argentina) → United States
- **Intercontinental**: South America → North America
- **Time difference**: -4h (When it's 20:41 in Rio Mayo, it's 16:41 in Seattle)
- **Elevation difference**: 1,352 ft (SEA is lower than ROY)

## Airports

### [Rio Mayo Airport (ROY)](https://www.flightduration.online/airport/roy-rio-mayo-rio-mayo-airport/1ef266df-9308-604e-9118-06bb2780ed98)

- City: Rio Mayo, Argentina
- ICAO: SAWM
- Timezone: America/Argentina/Catamarca
- Coordinates: -45.700000, -70.250000
- Elevation: 1,784 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 20:41 in Rio Mayo, it's 16:41 in Seattle.
The 4-hour time difference may cause some jet lag.

## Related

- [Rio Mayo Airport (ROY)](https://www.flightduration.online/airport/roy-rio-mayo-rio-mayo-airport/1ef266df-9308-604e-9118-06bb2780ed98)
- [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)