The flight distance from San Diego International Airport (SAN) in San Diego, United States to Parapat Airport (SIW) in Parapat-Sumatra Island, Indonesia is 14,546 kilometers (9,038 miles / 7,854 nautical miles). The estimated flight time for this route is approximately 18h, flying northwest at a heading of 309°.

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

This is an international route connecting United States with Indonesia. It is an intercontinental flight between North America and Asia. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 13:07 in San Diego, it's 04:07 in Parapat-Sumatra Island. With a 15-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 3,064 feet between the two airports. Parapat Airport sits higher than San Diego International Airport.

The return flight from Parapat-Sumatra Island (SIW) to San Diego (SAN) follows a heading of 41° (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 San Diego International Airport (SAN) and Parapat Airport (SIW) detail pages, or use our flight duration calculator to compare other routes.