# Distance from Kathmandu (KTM) to Columbus (OSU)

> 12,384 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,384 km / 7,695 mi / 6,687 nm
- **Estimated flight time**: 16h
- **Heading**: 351° (north)
- **Return heading**: 11° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -9.75h (When it's 10:40 in Kathmandu, it's 00:55 in Columbus)
- **Elevation difference**: 3,485 ft (OSU 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

### [Ohio State University Airport (OSU)](https://www.flightduration.online/airport/osu-columbus-ohio-state-university-airport/1ef266df-3148-66e2-ad5e-06bb2780ed98)

- City: Columbus, United States
- ICAO: KOSU
- Timezone: America/New_York
- Coordinates: 40.080000, -83.070000
- Elevation: 906 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 10:40 in Kathmandu, it's 00:55 in Columbus.
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)
- [Ohio State University Airport (OSU)](https://www.flightduration.online/airport/osu-columbus-ohio-state-university-airport/1ef266df-3148-66e2-ad5e-06bb2780ed98)
- [Flight duration calculator](/#calculator)