# Distance from Kathmandu (KTM) to San Luis Potosi (SLP)

> 14,420 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,420 km / 8,960 mi / 7,786 nm
- **Estimated flight time**: 18h
- **Heading**: 8° (north)
- **Return heading**: 353° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → Mexico
- **Intercontinental**: Asia → North America
- **Time difference**: -11.75h (When it's 12:53 in Kathmandu, it's 01:08 in San Luis Potosi)
- **Elevation difference**: 1,645 ft (SLP is higher 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

### [Ponciano Arriaga International Airport (SLP)](https://www.flightduration.online/airport/slp-san-luis-potosi-ponciano-arriaga-international-airport/1ef266df-6236-6d58-b10e-06bb2780ed98)

- City: San Luis Potosi, Mexico
- ICAO: MMSP
- Timezone: America/Mexico_City
- Coordinates: 22.250000, -100.930000
- Elevation: 6,035 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 12:53 in Kathmandu, it's 01:08 in San Luis Potosi.
With a 11.75-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)
- [Ponciano Arriaga International Airport (SLP)](https://www.flightduration.online/airport/slp-san-luis-potosi-ponciano-arriaga-international-airport/1ef266df-6236-6d58-b10e-06bb2780ed98)
- [Flight duration calculator](/#calculator)