# Distance from Kathmandu (KTM) to San Juan (SIG)

> 14,033 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,033 km / 8,720 mi / 7,577 nm
- **Estimated flight time**: 18h
- **Heading**: 326° (northwest)
- **Return heading**: 32° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -9.75h (When it's 03:09 in Kathmandu, it's 17:24 in San Juan)
- **Elevation difference**: 4,380 ft (SIG 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

### [Fernando Luis Ribas Dominicci Airport (SIG)](https://www.flightduration.online/airport/sig-san-juan-fernando-luis-ribas-dominicci-airport/1ef266df-e027-6dde-a70d-06bb2780ed98)

- City: San Juan, United States
- ICAO: TJIG
- Timezone: America/Puerto_Rico
- Coordinates: 18.460000, -66.100000
- Elevation: 10 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 03:09 in Kathmandu, it's 17:24 in San Juan.
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)
- [Fernando Luis Ribas Dominicci Airport (SIG)](https://www.flightduration.online/airport/sig-san-juan-fernando-luis-ribas-dominicci-airport/1ef266df-e027-6dde-a70d-06bb2780ed98)
- [Flight duration calculator](/#calculator)