The flight distance from Grand Marais/Cook County Airport (GRM) in Grand Marais, United States to Singapore Changi International Airport (SIN) in Singapore, Singapore is 14,371 kilometers (8,930 miles / 7,760 nautical miles). The estimated flight time for this route is approximately 18h, flying north northwest at a heading of 341°.

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 21:11 in Grand Marais, it's 11:11 in Singapore. 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 1,781 feet between the two airports. Singapore Changi International Airport sits lower than Grand Marais/Cook County Airport.

The return flight from Singapore (SIN) to Grand Marais (GRM) follows a heading of 12° (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 Grand Marais/Cook County Airport (GRM) and Singapore Changi International Airport (SIN) detail pages, or use our flight duration calculator to compare other routes.