# Distance from Kathmandu (KTM) to Houston (SGR)

> 13,640 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,640 km / 8,476 mi / 7,365 nm
- **Estimated flight time**: 17h
- **Heading**: 1° (north)
- **Return heading**: 359° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -10.75h (When it's 05:56 in Kathmandu, it's 19:11 in Houston)
- **Elevation difference**: 4,309 ft (SGR 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

### [Sugar Land Regional Airport (SGR)](https://www.flightduration.online/airport/sgr-houston-sugar-land-regional-airport/1ef266df-384b-6034-8c66-06bb2780ed98)

- City: Houston, United States
- ICAO: KSGR
- Timezone: America/Chicago
- Coordinates: 29.620000, -95.660000
- Elevation: 81 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 05:56 in Kathmandu, it's 19:11 in Houston.
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)
- [Sugar Land Regional Airport (SGR)](https://www.flightduration.online/airport/sgr-houston-sugar-land-regional-airport/1ef266df-384b-6034-8c66-06bb2780ed98)
- [Flight duration calculator](/#calculator)