# Distance from Kashan Airport (KKS) to Seattle (SEA)

> 10,949 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 10,949 km / 6,803 mi / 5,912 nm
- **Estimated flight time**: 14h
- **Heading**: 356° (north)
- **Return heading**: 5° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Iran) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -10.5h (When it's 05:48 in Kashan Airport, it's 19:18 in Seattle)
- **Elevation difference**: 3,033 ft (SEA is lower than KKS)

## Airports

### [Kashan Airport (KKS)](https://flightduration.online/airport/kks-kashan-airport/1ef266df-7d54-6b76-9d0d-06bb2780ed98)

- City: Kashan Airport, Iran
- ICAO: OIFK
- Timezone: Asia/Tehran
- Coordinates: 33.900000, 51.580000
- Elevation: 3,465 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 05:48 in Kashan Airport, it's 19:18 in Seattle.
With a 10.5-hour time difference, expect significant jet lag.

## Related

- [Kashan Airport (KKS)](https://flightduration.online/airport/kks-kashan-airport/1ef266df-7d54-6b76-9d0d-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)