# Distance from Philadelphia (BBX) to Kathmandu (KTM)

> 12,210 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,210 km / 7,587 mi / 6,593 nm
- **Estimated flight time**: 15h
- **Heading**: 18° (north northeast)
- **Return heading**: 344° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Nepal
- **Intercontinental**: North America → Asia
- **Time difference**: +9.75h (When it's 18:21 in Philadelphia, it's 04:06 in Kathmandu)
- **Elevation difference**: 4,089 ft (KTM is higher than BBX)

## Airports

### [Wings Field (BBX)](https://www.flightduration.online/airport/bbx-philadelphia-wings-field/1ef266df-27ee-6b78-9435-06bb2780ed98)

- City: Philadelphia, United States
- ICAO: KLOM
- Timezone: America/New_York
- Coordinates: 40.140000, -75.270000
- Elevation: 302 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 18:21 in Philadelphia, it's 04:06 in Kathmandu.
With a 9.75-hour time difference, expect significant jet lag.

## Related

- [Wings Field (BBX)](https://www.flightduration.online/airport/bbx-philadelphia-wings-field/1ef266df-27ee-6b78-9435-06bb2780ed98)
- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Flight duration calculator](/#calculator)