The flight distance from Jomo Kenyatta International Airport (NBO) in Nairobi, Kenya to North Island Nas (Halsey Field) Airport (NZY) in San Diego, United States is 15,601 kilometers (9,694 miles / 8,424 nautical miles). The estimated flight time for this route is approximately 19h, flying northwest at a heading of 325°.

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

Time zone information: When it's 20:45 in Nairobi, it's 10:45 in San Diego. With a 10-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 5,304 feet between the two airports. North Island Nas (Halsey Field) Airport sits lower than Jomo Kenyatta International Airport. Travelers arriving at the higher-elevation airport should be aware of potential altitude effects.

The return flight from San Diego (NZY) to Nairobi (NBO) follows a heading of 43° (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 Jomo Kenyatta International Airport (NBO) and North Island Nas (Halsey Field) Airport (NZY) detail pages, or use our flight duration calculator to compare other routes.