# Distance from Kathmandu (KTM) to Grand Case (SFG)

> 13,891 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,891 km / 8,631 mi / 7,500 nm
- **Estimated flight time**: 17h
- **Heading**: 323° (northwest)
- **Return heading**: 34° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → MF
- **Intercontinental**: Asia → North America
- **Time difference**: -9.75h (When it's 04:09 in Kathmandu, it's 18:24 in Grand Case)
- **Elevation difference**: 4,383 ft (SFG 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

### [L'Esperance Airport (SFG)](https://www.flightduration.online/airport/sfg-grand-case-lesperance-airport/1ef266df-dff9-6420-b017-06bb2780ed98)

- City: Grand Case, MF
- ICAO: TFFG
- Timezone: America/Marigot
- Coordinates: 18.100000, -63.050000
- Elevation: 7 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 04:09 in Kathmandu, it's 18:24 in Grand Case.
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)
- [L'Esperance Airport (SFG)](https://www.flightduration.online/airport/sfg-grand-case-lesperance-airport/1ef266df-dff9-6420-b017-06bb2780ed98)
- [Flight duration calculator](/#calculator)