# Distance from Kathmandu (KTM) to San Tome Airport (SOM)

> 14,783 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,783 km / 9,186 mi / 7,982 nm
- **Estimated flight time**: 18h
- **Heading**: 317° (northwest)
- **Return heading**: 38° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → Venezuela
- **Intercontinental**: Asia → South America
- **Time difference**: -9.75h (When it's 09:39 in Kathmandu, it's 23:54 in San Tome Airport)
- **Elevation difference**: 3,529 ft (SOM is lower than KTM)

## Airports

### [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

### [San Tome Airport (SOM)](https://www.flightduration.online/airport/som-san-tome-airport/1ef266df-d459-6d4a-ab8e-06bb2780ed98)

- City: San Tome Airport, Venezuela
- ICAO: SVST
- Timezone: America/Caracas
- Coordinates: 8.950000, -64.150000
- Elevation: 861 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 09:39 in Kathmandu, it's 23:54 in San Tome Airport.
With a 9.75-hour time difference, expect significant jet lag.

## Related

- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [San Tome Airport (SOM)](https://www.flightduration.online/airport/som-san-tome-airport/1ef266df-d459-6d4a-ab8e-06bb2780ed98)
- [Flight duration calculator](/#calculator)