The flight distance from Rapid City Regional Airport (RAP) in Rapid City, United States to Sofia Airport (SOF) in Sofia, Bulgaria is 9,000 kilometers (5,592 miles / 4,859 nautical miles). The estimated flight time for this route is approximately 12h, flying northeast at a heading of 37°.

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

Time zone information: When it's 02:02 in Rapid City, it's 11:02 in Sofia. With a 9-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 1,462 feet between the two airports. Sofia Airport sits lower than Rapid City Regional Airport.

The return flight from Sofia (SOF) to Rapid City (RAP) follows a heading of 324° (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 Rapid City Regional Airport (RAP) and Sofia Airport (SOF) detail pages, or use our flight duration calculator to compare other routes.