# Distance from Coari (CIZ) to Kathmandu (KTM)

> 15,773 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 15,773 km / 9,801 mi / 8,517 nm
- **Estimated flight time**: 20h
- **Heading**: 49° (northeast)
- **Return heading**: 302° (west northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (Brazil) → Nepal
- **Intercontinental**: South America → Asia
- **Time difference**: +9.75h (When it's 14:34 in Coari, it's 00:19 in Kathmandu)
- **Elevation difference**: 4,259 ft (KTM is higher than CIZ)

## Airports

### [Coari Airport (CIZ)](https://www.flightduration.online/airport/ciz-coari-coari-airport/1ef266df-d877-67ba-a393-06bb2780ed98)

- City: Coari, Brazil
- ICAO: SWKO
- Timezone: America/Boa_Vista
- Coordinates: -4.130000, -63.130000
- Elevation: 131 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 14:34 in Coari, it's 00:19 in Kathmandu.
With a 9.75-hour time difference, expect significant jet lag.

## Related

- [Coari Airport (CIZ)](https://www.flightduration.online/airport/ciz-coari-coari-airport/1ef266df-d877-67ba-a393-06bb2780ed98)
- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Flight duration calculator](/#calculator)