The flight distance from Washington Dulles International Airport (IAD) in Washington, United States to Sidney-Richland Regional Airport (SDY) in Sidney, United States is 2,356 kilometers (1,464 miles / 1,272 nautical miles). The estimated flight time for this route is approximately 4h, flying west northwest at a heading of 303°.

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 08:51 in Washington, it's 06:51 in Sidney.

There is a significant elevation difference of 1,673 feet between the two airports. Sidney-Richland Regional Airport sits higher than Washington Dulles International Airport.

The return flight from Sidney (SDY) to Washington (IAD) follows a heading of 105° (east southeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Washington Dulles International Airport (IAD) and Sidney-Richland Regional Airport (SDY) detail pages, or use our flight duration calculator to compare other routes.