# Distance from Honolulu (HNL) to St Mary'S (KSM)

> 4,549 km · estimated flight time 6h · Long-haul route.

## Summary

- **Distance**: 4,549 km / 2,827 mi / 2,456 nm
- **Estimated flight time**: 6h
- **Heading**: 356° (north)
- **Return heading**: 172° (south)
- **Classification**: Long-haul
- **Type**: Domestic (United States)
- **Time difference**: +2h (When it's 10:44 in Honolulu, it's 12:44 in St Mary'S)
- **Elevation difference**: 302 ft (KSM is higher than HNL)

## Airports

### [Daniel K Inouye International Airport (HNL)](https://www.flightduration.online/airport/hnl-honolulu-daniel-k-inouye-international-airport/1ef266df-8953-6d78-a54a-06bb2780ed98)

- City: Honolulu, United States
- ICAO: PHNL
- Timezone: Pacific/Honolulu
- Coordinates: 21.320000, -157.920000
- Elevation: 13 ft

### [St Mary's Airport (KSM)](https://www.flightduration.online/airport/ksm-st-marys-st-marys-airport/1ef266df-8810-6b14-99ba-06bb2780ed98)

- City: St Mary'S, United States
- ICAO: PASM
- Timezone: America/Nome
- Coordinates: 62.060000, -163.300000
- Elevation: 314 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 10:44 in Honolulu, it's 12:44 in St Mary'S.

## Related

- [Daniel K Inouye International Airport (HNL)](https://www.flightduration.online/airport/hnl-honolulu-daniel-k-inouye-international-airport/1ef266df-8953-6d78-a54a-06bb2780ed98)
- [St Mary's Airport (KSM)](https://www.flightduration.online/airport/ksm-st-marys-st-marys-airport/1ef266df-8810-6b14-99ba-06bb2780ed98)
- [Flight duration calculator](/#calculator)