# Distance from Ciudad Constitucion (CUA) to Kathmandu (KTM)

> 13,874 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,874 km / 8,621 mi / 7,492 nm
- **Estimated flight time**: 17h
- **Heading**: 342° (north northwest)
- **Return heading**: 19° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Mexico) → Nepal
- **Intercontinental**: North America → Asia
- **Time difference**: +12.75h (When it's 03:14 in Ciudad Constitucion, it's 15:59 in Kathmandu)
- **Elevation difference**: 4,177 ft (KTM is higher than CUA)

## Airports

### [Ciudad Constitucion Airport (CUA)](https://www.flightduration.online/airport/cua-ciudad-constitucion-ciudad-constitucion-airport/1ef266df-6160-6ac8-9b6d-06bb2780ed98)

- City: Ciudad Constitucion, Mexico
- ICAO: MMDA
- Timezone: America/Mazatlan
- Coordinates: 25.050000, -111.610000
- Elevation: 213 ft

### [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

## 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 03:14 in Ciudad Constitucion, it's 15:59 in Kathmandu.
With a 12.75-hour time difference, expect significant jet lag.

## Related

- [Ciudad Constitucion Airport (CUA)](https://www.flightduration.online/airport/cua-ciudad-constitucion-ciudad-constitucion-airport/1ef266df-6160-6ac8-9b6d-06bb2780ed98)
- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Flight duration calculator](/#calculator)