# Distance from Calverton (CTO) to Kathmandu (KTM)

> 12,062 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,062 km / 7,495 mi / 6,513 nm
- **Estimated flight time**: 15h
- **Heading**: 20° (north northeast)
- **Return heading**: 343° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Nepal
- **Intercontinental**: North America → Asia
- **Time difference**: +9.75h (When it's 10:41 in Calverton, it's 20:26 in Kathmandu)
- **Elevation difference**: 4,315 ft (KTM is higher than CTO)

## Airports

### [Calverton Executive Airpark (CTO)](https://www.flightduration.online/airport/cto-calverton-calverton-executive-airpark/1ef266de-755c-6ab4-9bfe-06bb2780ed98)

- City: Calverton, United States
- ICAO: 3NY8
- Timezone: America/New_York
- Coordinates: 40.900000, -72.800000
- Elevation: 75 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 10:41 in Calverton, it's 20:26 in Kathmandu.
With a 9.75-hour time difference, expect significant jet lag.

## Related

- [Calverton Executive Airpark (CTO)](https://www.flightduration.online/airport/cto-calverton-calverton-executive-airpark/1ef266de-755c-6ab4-9bfe-06bb2780ed98)
- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Flight duration calculator](/#calculator)