# Distance from Kathmandu (KTM) to Old Town (OLD)

> 11,518 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,518 km / 7,157 mi / 6,219 nm
- **Estimated flight time**: 15h
- **Heading**: 341° (north northwest)
- **Return heading**: 24° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -9.75h (When it's 00:59 in Kathmandu, it's 15:14 in Old Town)
- **Elevation difference**: 4,264 ft (OLD 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

### [Dewitt Field/Old Town Municipal Airport (OLD)](https://www.flightduration.online/airport/old-old-town-dewitt-fieldold-town-municipal-airport/1ef266df-308c-6758-9c93-06bb2780ed98)

- City: Old Town, United States
- ICAO: KOLD
- Timezone: America/New_York
- Coordinates: 44.950000, -68.670000
- Elevation: 127 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 00:59 in Kathmandu, it's 15:14 in Old Town.
With a 9.75-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)
- [Dewitt Field/Old Town Municipal Airport (OLD)](https://www.flightduration.online/airport/old-old-town-dewitt-fieldold-town-municipal-airport/1ef266df-308c-6758-9c93-06bb2780ed98)
- [Flight duration calculator](/#calculator)