# Distance from Chennai (MAA) to Seattle (SEA)

> 12,933 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,933 km / 8,036 mi / 6,983 nm
- **Estimated flight time**: 16h
- **Heading**: 17° (north northeast)
- **Return heading**: 335° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (India) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -12.5h (When it's 08:03 in Chennai, it's 19:33 in Seattle)
- **Elevation difference**: 380 ft (SEA is higher than MAA)

## Airports

### [Chennai International Airport (MAA)](https://www.flightduration.online/airport/maa-chennai-chennai-international-airport/1ef266df-f3e7-672a-9425-06bb2780ed98)

- City: Chennai, India
- ICAO: VOMM
- Timezone: Asia/Kolkata
- Coordinates: 12.990000, 80.170000
- Elevation: 52 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 08:03 in Chennai, it's 19:33 in Seattle.
With a 12.5-hour time difference, expect significant jet lag.

## Related

- [Chennai International Airport (MAA)](https://www.flightduration.online/airport/maa-chennai-chennai-international-airport/1ef266df-f3e7-672a-9425-06bb2780ed98)
- [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)