# Distance from Kathmandu (KTM) to Sioux City (SUX)

> 12,218 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,218 km / 7,592 mi / 6,597 nm
- **Estimated flight time**: 15h
- **Heading**: 1° (north)
- **Return heading**: 358° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -10.75h (When it's 06:10 in Kathmandu, it's 19:25 in Sioux City)
- **Elevation difference**: 3,292 ft (SUX 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

### [Sioux Gateway/Brig General Bud Day Field (SUX)](https://www.flightduration.online/airport/sux-sioux-city-sioux-gatewaybrig-general-bud-day-field/1ef266df-39db-669c-acc5-06bb2780ed98)

- City: Sioux City, United States
- ICAO: KSUX
- Timezone: America/Chicago
- Coordinates: 42.400000, -96.380000
- Elevation: 1,098 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 06:10 in Kathmandu, it's 19:25 in Sioux City.
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)
- [Sioux Gateway/Brig General Bud Day Field (SUX)](https://www.flightduration.online/airport/sux-sioux-city-sioux-gatewaybrig-general-bud-day-field/1ef266df-39db-669c-acc5-06bb2780ed98)
- [Flight duration calculator](/#calculator)