# Distance from Kathmandu (KTM) to Lethem (LTM)

> 14,930 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 14,930 km / 9,277 mi / 8,062 nm
- **Estimated flight time**: 19h
- **Heading**: 307° (northwest)
- **Return heading**: 45° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → Guyana
- **Intercontinental**: Asia → South America
- **Time difference**: -9.75h (When it's 10:41 in Kathmandu, it's 00:56 in Lethem)
- **Elevation difference**: 4,039 ft (LTM is lower than KTM)

## Airports

### [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)

- City: Kathmandu, Nepal
- ICAO: VNKT
- Timezone: Asia/Kathmandu
- Coordinates: 27.700000, 85.360000
- Elevation: 4,390 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 10:41 in Kathmandu, it's 00:56 in Lethem.
With a 9.75-hour time difference, expect significant jet lag.

## Related

- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Lethem Airport (LTM)](https://www.flightduration.online/airport/ltm-lethem-lethem-airport/1ef266df-dde8-6a96-b2e4-06bb2780ed98)
- [Flight duration calculator](/#calculator)