The flight distance from Singapore Changi International Airport (SIN) in Singapore, Singapore to Smith Field (SLG) in Siloam Springs, United States is 15,423 kilometers (9,584 miles / 8,328 nautical miles). The estimated flight time for this route is approximately 19h, flying north northeast at a heading of 23°.

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

Time zone information: When it's 01:00 in Singapore, it's 11:00 in Siloam Springs. With a 14-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 1,169 feet between the two airports. Smith Field sits higher than Singapore Changi International Airport.

The return flight from Siloam Springs (SLG) to Singapore (SIN) follows a heading of 331° (north 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 Singapore Changi International Airport (SIN) and Smith Field (SLG) detail pages, or use our flight duration calculator to compare other routes.