# Distance from Kathmandu (KTM) to Spirit Lake (RTL)

> 12,110 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,110 km / 7,525 mi / 6,539 nm
- **Estimated flight time**: 15h
- **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 16:07 in Kathmandu, it's 05:22 in Spirit Lake)
- **Elevation difference**: 2,956 ft (RTL 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

### [Spirit Lake Municipal Airport (RTL)](https://www.flightduration.online/airport/rtl-spirit-lake-spirit-lake-municipal-airport/1ef266de-f63a-6b54-a925-06bb2780ed98)

- City: Spirit Lake, United States
- ICAO: K0F3
- Timezone: America/Chicago
- Coordinates: 43.390000, -95.140000
- Elevation: 1,434 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 16:07 in Kathmandu, it's 05:22 in Spirit Lake.
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)
- [Spirit Lake Municipal Airport (RTL)](https://www.flightduration.online/airport/rtl-spirit-lake-spirit-lake-municipal-airport/1ef266de-f63a-6b54-a925-06bb2780ed98)
- [Flight duration calculator](/#calculator)