# Distance from Boston (BOS) to Changsha (CSX)

> 12,158 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,158 km / 7,555 mi / 6,565 nm
- **Estimated flight time**: 15h
- **Heading**: 356° (north)
- **Return heading**: 3° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → China
- **Intercontinental**: North America → Asia
- **Time difference**: +12h (When it's 22:34 in Boston, it's 10:34 in Changsha)
- **Elevation difference**: 198 ft (CSX is higher than BOS)

## Airports

### [General Edward Lawrence Logan International Airport (BOS)](https://www.flightduration.online/airport/bos-boston-general-edward-lawrence-logan-international-airport/1ef266df-112a-6798-90da-06bb2780ed98)

- City: Boston, United States
- ICAO: KBOS
- Timezone: America/New_York
- Coordinates: 42.360000, -71.010000
- Elevation: 19 ft

### [Changsha Huanghua Airport (CSX)](https://www.flightduration.online/airport/csx-changsha-changsha-huanghua-airport/1ef266e0-1e79-6e7a-826c-06bb2780ed98)

- City: Changsha, China
- ICAO: ZGHA
- Timezone: Asia/Shanghai
- Coordinates: 28.190000, 113.220000
- Elevation: 217 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 22:34 in Boston, it's 10:34 in Changsha.
With a 12-hour time difference, expect significant jet lag.

## Related

- [General Edward Lawrence Logan International Airport (BOS)](https://www.flightduration.online/airport/bos-boston-general-edward-lawrence-logan-international-airport/1ef266df-112a-6798-90da-06bb2780ed98)
- [Changsha Huanghua Airport (CSX)](https://www.flightduration.online/airport/csx-changsha-changsha-huanghua-airport/1ef266e0-1e79-6e7a-826c-06bb2780ed98)
- [Flight duration calculator](/#calculator)