# Distance from Belle Chasse (BCS) to Kathmandu (KTM)

> 13,595 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,595 km / 8,447 mi / 7,341 nm
- **Estimated flight time**: 17h
- **Heading**: 5° (north)
- **Return heading**: 355° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Nepal
- **Intercontinental**: North America → Asia
- **Time difference**: +10.75h (When it's 03:56 in Belle Chasse, it's 14:41 in Kathmandu)
- **Elevation difference**: 4,390 ft (KTM is higher than BCS)

## Airports

### [Southern Seaplane Airport (BCS)](https://www.flightduration.online/airport/bcs-belle-chasse-southern-seaplane-airport/1ef266de-8486-6d3c-ac08-06bb2780ed98)

- City: Belle Chasse, United States
- ICAO: 65LA
- Timezone: America/Chicago
- Coordinates: 29.870000, -90.020000
- Elevation: 0 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 03:56 in Belle Chasse, it's 14:41 in Kathmandu.
With a 10.75-hour time difference, expect significant jet lag.

## Related

- [Southern Seaplane Airport (BCS)](https://www.flightduration.online/airport/bcs-belle-chasse-southern-seaplane-airport/1ef266de-8486-6d3c-ac08-06bb2780ed98)
- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Flight duration calculator](/#calculator)