# Distance from Kathmandu (KTM) to Nacogdoches (OCH)

> 13,423 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,423 km / 8,341 mi / 7,248 nm
- **Estimated flight time**: 17h
- **Heading**: 0° (north)
- **Return heading**: 360° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -10.75h (When it's 23:55 in Kathmandu, it's 13:10 in Nacogdoches)
- **Elevation difference**: 4,047 ft (OCH 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

### [Nacogdoches A L Mangham Jr Regional Airport (OCH)](https://www.flightduration.online/airport/och-nacogdoches-nacogdoches-a-l-mangham-jr-regional-airport/1ef266df-3015-65fe-b18b-06bb2780ed98)

- City: Nacogdoches, United States
- ICAO: KOCH
- Timezone: America/Chicago
- Coordinates: 31.580000, -94.710000
- Elevation: 343 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 23:55 in Kathmandu, it's 13:10 in Nacogdoches.
With a 10.75-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)
- [Nacogdoches A L Mangham Jr Regional Airport (OCH)](https://www.flightduration.online/airport/och-nacogdoches-nacogdoches-a-l-mangham-jr-regional-airport/1ef266df-3015-65fe-b18b-06bb2780ed98)
- [Flight duration calculator](/#calculator)