The flight distance from Singapore Changi International Airport (SIN) in Singapore, Singapore to Sioux Gateway/Brig General Bud Day Field (SUX) in Sioux City, United States is 14,739 kilometers (9,158 miles / 7,958 nautical miles). The estimated flight time for this route is approximately 18h, flying north northeast at a heading of 20°.

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 09:13 in Singapore, it's 20:13 in Sioux City. With a 13-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 1,076 feet between the two airports. Sioux Gateway/Brig General Bud Day Field sits higher than Singapore Changi International Airport.

The return flight from Sioux City (SUX) to Singapore (SIN) follows a heading of 332° (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 Sioux Gateway/Brig General Bud Day Field (SUX) detail pages, or use our flight duration calculator to compare other routes.