The flight distance from Narita International Airport (NRT) in Tokyo, Japan to Fernando Luis Ribas Dominicci Airport (SIG) in San Juan, United States is 13,372 kilometers (8,309 miles / 7,220 nautical miles). The estimated flight time for this route is approximately 17h, flying north northeast at a heading of 29°.

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 Japan 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 03:22 in Tokyo, it's 14:22 in San Juan. 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.

The return flight from San Juan (SIG) to Tokyo (NRT) follows a heading of 335° (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 Narita International Airport (NRT) and Fernando Luis Ribas Dominicci Airport (SIG) detail pages, or use our flight duration calculator to compare other routes.