# Distance from Kathmandu (KTM) to Oaktown (OTN)

> 12,578 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,578 km / 7,816 mi / 6,792 nm
- **Estimated flight time**: 16h
- **Heading**: 354° (north)
- **Return heading**: 7° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -9.75h (When it's 15:57 in Kathmandu, it's 06:12 in Oaktown)
- **Elevation difference**: 3,964 ft (OTN 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

### [Ed-Air Airport (OTN)](https://www.flightduration.online/airport/otn-oaktown-ed-air-airport/1ef266df-2233-658a-915f-06bb2780ed98)

- City: Oaktown, United States
- ICAO: KI20
- Timezone: America/Indiana/Vincennes
- Coordinates: 38.850000, -87.500000
- Elevation: 426 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 15:57 in Kathmandu, it's 06:12 in Oaktown.
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)
- [Ed-Air Airport (OTN)](https://www.flightduration.online/airport/otn-oaktown-ed-air-airport/1ef266df-2233-658a-915f-06bb2780ed98)
- [Flight duration calculator](/#calculator)