The flight distance from Castle Airport (MER) in Atwater, United States to Juan Santamaria International Airport (SJO) in San Jose, Costa Rica is 4,746 kilometers (2,949 miles / 2,562 nautical miles). The estimated flight time for this route is approximately 7h, flying east southeast at a heading of 120°.

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 an international route connecting United States with Costa Rica. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 06:28 in Atwater, it's 08:28 in San Jose.

There is a significant elevation difference of 2,831 feet between the two airports. Juan Santamaria International Airport sits higher than Castle Airport.

The return flight from San Jose (SJO) to Atwater (MER) follows a heading of 316° (northwest). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Castle Airport (MER) and Juan Santamaria International Airport (SJO) detail pages, or use our flight duration calculator to compare other routes.