# Distance from St. Mary's (ISC) to Kathmandu (KTM)

> 7,803 km · estimated flight time 10h · Long-haul route.

## Summary

- **Distance**: 7,803 km / 4,848 mi / 4,213 nm
- **Estimated flight time**: 10h
- **Heading**: 70° (east northeast)
- **Return heading**: 317° (northwest)
- **Classification**: Long-haul
- **Type**: International (United Kingdom) → Nepal
- **Intercontinental**: Europe → Asia
- **Time difference**: +4.75h (When it's 19:17 in St. Mary's, it's 00:02 in Kathmandu)
- **Elevation difference**: 4,274 ft (KTM is higher than ISC)

## Airports

### [St. Mary's Airport (ISC)](https://www.flightduration.online/airport/isc-st-marys-st-marys-airport/1ef266de-c3dc-66c6-857e-06bb2780ed98)

- City: St. Mary's, United Kingdom
- ICAO: EGHE
- Timezone: Europe/London
- Coordinates: 49.910000, -6.290000
- Elevation: 116 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 a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 19:17 in St. Mary's, it's 00:02 in Kathmandu.
The 4.75-hour time difference may cause some jet lag.

## Related

- [St. Mary's Airport (ISC)](https://www.flightduration.online/airport/isc-st-marys-st-marys-airport/1ef266de-c3dc-66c6-857e-06bb2780ed98)
- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Flight duration calculator](/#calculator)