The flight distance from Granite Mountain Air Station (GMT) in Granite Mountain, United States to Singapore Changi International Airport (SIN) in Singapore, Singapore is 10,089 kilometers (6,269 miles / 5,448 nautical miles). The estimated flight time for this route is approximately 13h, flying west at a heading of 275°.

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 Singapore. 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 00:58 in Granite Mountain, it's 17:58 in Singapore. With a 17-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 1,291 feet between the two airports. Singapore Changi International Airport sits lower than Granite Mountain Air Station.

The return flight from Singapore (SIN) to Granite Mountain (GMT) follows a heading of 25° (north 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 Granite Mountain Air Station (GMT) and Singapore Changi International Airport (SIN) detail pages, or use our flight duration calculator to compare other routes.