# Distance from Columbia (COU) to Kathmandu (KTM)

> 12,614 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,614 km / 7,838 mi / 6,811 nm
- **Estimated flight time**: 16h
- **Heading**: 2° (north)
- **Return heading**: 358° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Nepal
- **Intercontinental**: North America → Asia
- **Time difference**: +10.75h (When it's 10:21 in Columbia, it's 21:06 in Kathmandu)
- **Elevation difference**: 3,501 ft (KTM is higher than COU)

## Airports

### [Columbia Regional Airport (COU)](https://www.flightduration.online/airport/cou-columbia-columbia-regional-airport/1ef266df-14be-6d1e-b115-06bb2780ed98)

- City: Columbia, United States
- ICAO: KCOU
- Timezone: America/Chicago
- Coordinates: 38.820000, -92.220000
- Elevation: 889 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 10:21 in Columbia, it's 21:06 in Kathmandu.
With a 10.75-hour time difference, expect significant jet lag.

## Related

- [Columbia Regional Airport (COU)](https://www.flightduration.online/airport/cou-columbia-columbia-regional-airport/1ef266df-14be-6d1e-b115-06bb2780ed98)
- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Flight duration calculator](/#calculator)