HNL
Honolulu
United States
4,549 km
2,827 miles
KSM
St Mary'S
United States
Distance
4,549 km
2,827 mi / 2,456 nm
Est. Flight Time
6h
Long-haul route
Time Difference
+1h
Pacific/Honolulu
Heading
356°
north

Airport Comparison

HNL KSM
Airport Name Daniel K Inouye International Airport St Mary's Airport
IATA Code HNL KSM
ICAO Code PHNL PASM
City Honolulu St Mary'S
Country United States United States
Timezone Pacific/Honolulu America/Nome
Elevation 13 ft 314 ft
Coordinates 21.320000, -157.920000 62.060000, -163.300000

Honolulu (HNL) to St Mary'S (KSM) Flight Distance

The flight distance from Daniel K Inouye International Airport (HNL) in Honolulu, United States to St Mary's Airport (KSM) in St Mary'S, United States is 4,549 kilometers (2,827 miles / 2,456 nautical miles). The estimated flight time for this route is approximately 6h, flying north at a heading of 356°.

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.

This is a domestic route within United States. Both airports operate in the same country, which may simplify travel requirements and documentation. Despite being a domestic route, there is a 1-hour time difference between the two cities.

Time zone information: When it's 10:39 in Honolulu, it's 11:39 in St Mary'S.

The return flight from St Mary'S (KSM) to Honolulu (HNL) follows a heading of 172° (south). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Daniel K Inouye International Airport (HNL) and St Mary's Airport (KSM) detail pages, or use our flight duration calculator to compare other routes.

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