# Distance from Kathmandu (KTM) to Charlotte Amalie (STT)

> 13,981 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,981 km / 8,687 mi / 7,549 nm
- **Estimated flight time**: 17h
- **Heading**: 325° (northwest)
- **Return heading**: 33° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -9.75h (When it's 10:47 in Kathmandu, it's 01:02 in Charlotte Amalie)
- **Elevation difference**: 4,366 ft (STT 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

### [Cyril E King Airport (STT)](https://www.flightduration.online/airport/stt-charlotte-amalie-cyril-e-king-airport/1ef266df-e014-6496-987b-06bb2780ed98)

- City: Charlotte Amalie, United States
- ICAO: TIST
- Timezone: America/St_Thomas
- Coordinates: 18.340000, -64.970000
- Elevation: 24 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 10:47 in Kathmandu, it's 01:02 in Charlotte Amalie.
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)
- [Cyril E King Airport (STT)](https://www.flightduration.online/airport/stt-charlotte-amalie-cyril-e-king-airport/1ef266df-e014-6496-987b-06bb2780ed98)
- [Flight duration calculator](/#calculator)