The flight distance from Baltimore/Washington International Thurgood Marshall Airport (BWI) in Baltimore, United States to Castle Airport (MER) in Atwater, United States is 3,801 kilometers (2,362 miles / 2,053 nautical miles). The estimated flight time for this route is approximately 5h, flying west at a heading of 281°.

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 3-hour time difference between the two cities.

Time zone information: When it's 10:46 in Baltimore, it's 07:46 in Atwater. The 3-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

The return flight from Atwater (MER) to Baltimore (BWI) follows a heading of 73° (east northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Baltimore/Washington International Thurgood Marshall Airport (BWI) and Castle Airport (MER) detail pages, or use our flight duration calculator to compare other routes.