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

> 12,229 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,229 km / 7,599 mi / 6,603 nm
- **Estimated flight time**: 15h
- **Heading**: 336° (north northwest)
- **Return heading**: 21° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Nepal
- **Intercontinental**: North America → Asia
- **Time difference**: +12.75h (When it's 03:30 in Columbia, it's 16:15 in Kathmandu)
- **Elevation difference**: 2,269 ft (KTM is higher than COA)

## Airports

### [Columbia Airport (COA)](https://flightduration.online/airport/coa-columbia-columbia-airport/1ef266df-2f5b-6104-aed8-06bb2780ed98)

- City: Columbia, United States
- ICAO: KO22
- Timezone: America/Los_Angeles
- Coordinates: 38.030000, -120.410000
- Elevation: 2,121 ft

### [Tribhuvan International Airport (KTM)](https://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 03:30 in Columbia, it's 16:15 in Kathmandu.
With a 12.75-hour time difference, expect significant jet lag.

## Related

- [Columbia Airport (COA)](https://flightduration.online/airport/coa-columbia-columbia-airport/1ef266df-2f5b-6104-aed8-06bb2780ed98)
- [Tribhuvan International Airport (KTM)](https://flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Flight duration calculator](/#calculator)