# Distance from Hilo (ITO) to Kathmandu (KTM)

> 11,648 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,648 km / 7,238 mi / 6,290 nm
- **Estimated flight time**: 15h
- **Heading**: 307° (northwest)
- **Return heading**: 58° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Nepal
- **Intercontinental**: North America → Asia
- **Time difference**: +15.75h (When it's 15:25 in Hilo, it's 07:10 in Kathmandu)
- **Elevation difference**: 4,352 ft (KTM is higher than ITO)

## Airports

### [Hilo International Airport (ITO)](https://www.flightduration.online/airport/ito-hilo-hilo-international-airport/1ef266df-8968-60a2-952a-06bb2780ed98)

- City: Hilo, United States
- ICAO: PHTO
- Timezone: Pacific/Honolulu
- Coordinates: 19.720000, -155.050000
- Elevation: 38 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 15:25 in Hilo, it's 07:10 in Kathmandu.
With a 15.75-hour time difference, expect significant jet lag.

## Related

- [Hilo International Airport (ITO)](https://www.flightduration.online/airport/ito-hilo-hilo-international-airport/1ef266df-8968-60a2-952a-06bb2780ed98)
- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Flight duration calculator](/#calculator)