The flight distance from San Francisco International Airport (SFO) in San Francisco, United States to Marathon Airport (YSP) in Marathon, Canada is 3,137 kilometers (1,949 miles / 1,694 nautical miles). The estimated flight time for this route is approximately 5h, flying northeast at a heading of 55°.

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

Time zone information: When it's 19:02 in San Francisco, it's 22:02 in Marathon. The 3-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 1,022 feet between the two airports. Marathon Airport sits higher than San Francisco International Airport.

The return flight from Marathon (YSP) to San Francisco (SFO) follows a heading of 260° (west). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the San Francisco International Airport (SFO) and Marathon Airport (YSP) detail pages, or use our flight duration calculator to compare other routes.