The flight distance from Daniel K Inouye International Airport (HNL) in Honolulu, United States to Castle Airport (MER) in Atwater, United States is 3,999 kilometers (2,485 miles / 2,159 nautical miles). The estimated flight time for this route is approximately 6h, flying northeast at a heading of 55°.

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

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 2-hour time difference between the two cities.

Time zone information: When it's 13:57 in Honolulu, it's 15:57 in Atwater.

The return flight from Atwater (MER) to Honolulu (HNL) follows a heading of 254° (west southwest). 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 Castle Airport (MER) detail pages, or use our flight duration calculator to compare other routes.