The flight distance from St Gallen Altenrhein Airport (ACH) in Altenrhein, Switzerland to Ronald Reagan Washington Ntl Airport (DCA) in Washington, United States is 6,719 kilometers (4,175 miles / 3,628 nautical miles). The estimated flight time for this route is approximately 9h, flying west northwest at a heading of 297°.

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 Switzerland with United States. It is an intercontinental flight between Europe and North America. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 00:57 in Altenrhein, it's 18:57 in Washington. With a 6-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 1,292 feet between the two airports. Ronald Reagan Washington Ntl Airport sits lower than St Gallen Altenrhein Airport.

The return flight from Washington (DCA) to Altenrhein (ACH) follows a heading of 51° (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 St Gallen Altenrhein Airport (ACH) and Ronald Reagan Washington Ntl Airport (DCA) detail pages, or use our flight duration calculator to compare other routes.