The flight distance from Jomo Kenyatta International Airport (NBO) in Nairobi, Kenya to Chicago Executive Airport (PWK) in Chicago/Prospect Heights/Wheeling, United States is 12,904 kilometers (8,018 miles / 6,968 nautical miles). The estimated flight time for this route is approximately 16h, flying northwest at a heading of 317°.

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 09:36 in Nairobi, it's 00:36 in Chicago/Prospect Heights/Wheeling. With a 9-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 4,683 feet between the two airports. Chicago Executive 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 Chicago/Prospect Heights/Wheeling (PWK) to Nairobi (NBO) follows a heading of 66° (east 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 Chicago Executive Airport (PWK) detail pages, or use our flight duration calculator to compare other routes.