# Distance from Kathmandu (KTM) to Saint Martin (SXM)

> 13,900 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,900 km / 8,637 mi / 7,505 nm
- **Estimated flight time**: 17h
- **Heading**: 323° (northwest)
- **Return heading**: 34° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → SX
- **Intercontinental**: Asia → North America
- **Time difference**: -9.75h (When it's 00:26 in Kathmandu, it's 14:41 in Saint Martin)
- **Elevation difference**: 4,377 ft (SXM 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

### [Princess Juliana International Airport (SXM)](https://www.flightduration.online/airport/sxm-saint-martin-princess-juliana-international-airport/1ef266df-e133-6cb4-98a0-06bb2780ed98)

- City: Saint Martin, SX
- ICAO: TNCM
- Timezone: America/Lower_Princes
- Coordinates: 18.040000, -63.110000
- Elevation: 13 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 00:26 in Kathmandu, it's 14:41 in Saint Martin.
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)
- [Princess Juliana International Airport (SXM)](https://www.flightduration.online/airport/sxm-saint-martin-princess-juliana-international-airport/1ef266df-e133-6cb4-98a0-06bb2780ed98)
- [Flight duration calculator](/#calculator)