# Distance from Hanoi (HAN) to St. Mary's (ISC)

> 9,682 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,682 km / 6,016 mi / 5,228 nm
- **Estimated flight time**: 12h
- **Heading**: 323° (northwest)
- **Return heading**: 60° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Vietnam) → United Kingdom
- **Intercontinental**: Asia → Europe
- **Time difference**: -6h (When it's 16:39 in Hanoi, it's 10:39 in St. Mary's)
- **Elevation difference**: 77 ft (ISC is higher than HAN)

## Airports

### [Noi Bai International Airport (HAN)](https://www.flightduration.online/airport/han-hanoi-noi-bai-international-airport/1ef266df-f632-63cc-97d4-06bb2780ed98)

- City: Hanoi, Vietnam
- ICAO: VVNB
- Timezone: Asia/Ho_Chi_Minh
- Coordinates: 21.220000, 105.810000
- Elevation: 39 ft

### [St. Mary's Airport (ISC)](https://www.flightduration.online/airport/isc-st-marys-st-marys-airport/1ef266de-c3dc-66c6-857e-06bb2780ed98)

- City: St. Mary's, United Kingdom
- ICAO: EGHE
- Timezone: Europe/London
- Coordinates: 49.910000, -6.290000
- Elevation: 116 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 16:39 in Hanoi, it's 10:39 in St. Mary's.
With a 6-hour time difference, expect significant jet lag.

## Related

- [Noi Bai International Airport (HAN)](https://www.flightduration.online/airport/han-hanoi-noi-bai-international-airport/1ef266df-f632-63cc-97d4-06bb2780ed98)
- [St. Mary's Airport (ISC)](https://www.flightduration.online/airport/isc-st-marys-st-marys-airport/1ef266de-c3dc-66c6-857e-06bb2780ed98)
- [Flight duration calculator](/#calculator)