# Distance from Fort Carson (FCS) to Kathmandu (KTM)

> 12,559 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,559 km / 7,804 mi / 6,782 nm
- **Estimated flight time**: 16h
- **Heading**: 350° (north)
- **Return heading**: 9° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Nepal
- **Intercontinental**: North America → Asia
- **Time difference**: +11.75h (When it's 06:09 in Fort Carson, it's 17:54 in Kathmandu)
- **Elevation difference**: 1,484 ft (KTM is lower than FCS)

## Airports

### [Butts Army Air Field (Fort Carson) Airport (FCS)](https://www.flightduration.online/airport/fcs-fort-carson-butts-army-air-field-fort-carson-airport/1ef266df-1bd4-66da-b245-06bb2780ed98)

- City: Fort Carson, United States
- ICAO: KFCS
- Timezone: America/Denver
- Coordinates: 38.680000, -104.760000
- Elevation: 5,874 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 06:09 in Fort Carson, it's 17:54 in Kathmandu.
With a 11.75-hour time difference, expect significant jet lag.

## Related

- [Butts Army Air Field (Fort Carson) Airport (FCS)](https://www.flightduration.online/airport/fcs-fort-carson-butts-army-air-field-fort-carson-airport/1ef266df-1bd4-66da-b245-06bb2780ed98)
- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Flight duration calculator](/#calculator)