# Distance from Hanoi (HAN) to Lethem (LTM)

> 16,863 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 16,863 km / 10,478 mi / 9,105 nm
- **Estimated flight time**: 21h
- **Heading**: 328° (north northwest)
- **Return heading**: 29° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Vietnam) → Guyana
- **Intercontinental**: Asia → South America
- **Time difference**: -11h (When it's 03:41 in Hanoi, it's 16:41 in Lethem)
- **Elevation difference**: 312 ft (LTM 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

### [Lethem Airport (LTM)](https://www.flightduration.online/airport/ltm-lethem-lethem-airport/1ef266df-dde8-6a96-b2e4-06bb2780ed98)

- City: Lethem, Guyana
- ICAO: SYLT
- Timezone: America/Guyana
- Coordinates: 3.370000, -59.790000
- Elevation: 351 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 03:41 in Hanoi, it's 16:41 in Lethem.
With a 11-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)
- [Lethem Airport (LTM)](https://www.flightduration.online/airport/ltm-lethem-lethem-airport/1ef266df-dde8-6a96-b2e4-06bb2780ed98)
- [Flight duration calculator](/#calculator)