The flight distance from Jomo Kenyatta International Airport (NBO) in Nairobi, Kenya to Ontario Municipal Airport (ONO) in Ontario, United States is 14,615 kilometers (9,082 miles / 7,892 nautical miles). The estimated flight time for this route is approximately 18h, flying north northwest at a heading of 335°.

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 01:31 in Nairobi, it's 15:31 in Ontario. 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 3,137 feet between the two airports. Ontario Municipal 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 Ontario (ONO) to Nairobi (NBO) follows a heading of 36° (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 Ontario Municipal Airport (ONO) detail pages, or use our flight duration calculator to compare other routes.