# Distance from Kathmandu (KTM) to Vila do Porto (SMA)

> 9,807 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 9,807 km / 6,094 mi / 5,295 nm
- **Estimated flight time**: 13h
- **Heading**: 312° (northwest)
- **Return heading**: 56° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → Portugal
- **Intercontinental**: Asia → Europe
- **Time difference**: -5.75h (When it's 08:54 in Kathmandu, it's 03:09 in Vila do Porto)
- **Elevation difference**: 4,082 ft (SMA is lower than KTM)

## Airports

### [Tribhuvan International Airport (KTM)](https://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

### [Santa Maria Airport (SMA)](https://flightduration.online/airport/sma-vila-do-porto-santa-maria-airport/1ef266df-5554-60b8-b2bd-06bb2780ed98)

- City: Vila do Porto, Portugal
- ICAO: LPAZ
- Timezone: Atlantic/Azores
- Coordinates: 36.970000, -25.170000
- Elevation: 308 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 08:54 in Kathmandu, it's 03:09 in Vila do Porto.
The 5.75-hour time difference may cause some jet lag.

## Related

- [Tribhuvan International Airport (KTM)](https://flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Santa Maria Airport (SMA)](https://flightduration.online/airport/sma-vila-do-porto-santa-maria-airport/1ef266df-5554-60b8-b2bd-06bb2780ed98)
- [Flight duration calculator](/#calculator)