# Distance from Concord (CCR) to Kathmandu (KTM)

> 12,172 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,172 km / 7,564 mi / 6,573 nm
- **Estimated flight time**: 15h
- **Heading**: 334° (north northwest)
- **Return heading**: 23° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Nepal
- **Intercontinental**: North America → Asia
- **Time difference**: +12.75h (When it's 00:26 in Concord, it's 13:11 in Kathmandu)
- **Elevation difference**: 4,364 ft (KTM is higher than CCR)

## Airports

### [Buchanan Field (CCR)](https://www.flightduration.online/airport/ccr-concord-buchanan-field/1ef266df-1332-60a4-8892-06bb2780ed98)

- City: Concord, United States
- ICAO: KCCR
- Timezone: America/Los_Angeles
- Coordinates: 37.990000, -122.060000
- Elevation: 26 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 00:26 in Concord, it's 13:11 in Kathmandu.
With a 12.75-hour time difference, expect significant jet lag.

## Related

- [Buchanan Field (CCR)](https://www.flightduration.online/airport/ccr-concord-buchanan-field/1ef266df-1332-60a4-8892-06bb2780ed98)
- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Flight duration calculator](/#calculator)