# Distance from Kathmandu (KTM) to Sainte Marie Airport (SMS)

> 6,282 km · estimated flight time 8h · Long-haul route.

## Summary

- **Distance**: 6,282 km / 3,903 mi / 3,392 nm
- **Estimated flight time**: 8h
- **Heading**: 222° (southwest)
- **Return heading**: 38° (northeast)
- **Classification**: Long-haul
- **Type**: International (Nepal) → Madagascar
- **Intercontinental**: Asia → Africa
- **Time difference**: -2.75h (When it's 13:16 in Kathmandu, it's 10:31 in Sainte Marie Airport)
- **Elevation difference**: 4,383 ft (SMS 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

### [Sainte Marie Airport (SMS)](https://www.flightduration.online/airport/sms-sainte-marie-airport/1ef266de-dbae-675e-9a15-06bb2780ed98)

- City: Sainte Marie Airport, Madagascar
- ICAO: FMMS
- Timezone: Indian/Antananarivo
- Coordinates: -17.090000, 49.820000
- Elevation: 7 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 13:16 in Kathmandu, it's 10:31 in Sainte Marie Airport.

## Related

- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Sainte Marie Airport (SMS)](https://www.flightduration.online/airport/sms-sainte-marie-airport/1ef266de-dbae-675e-9a15-06bb2780ed98)
- [Flight duration calculator](/#calculator)