Are there nonstop flights from Nairobi (NBO) to Washington (IAD)?

No. The fastest connection is via New York, about 15h 22m of total flying time.

What is the fastest connection from Nairobi (NBO) to Washington (IAD)?

via New York ≈ 15h 22m, via Lagos ≈ 15h 48m, via Lomé ≈ 15h 53m (estimated flying time, excluding layovers).

from 35,000 ANA miles, from 45,000 JAL miles (economy, one way, based on the published award charts).

Jomo Kenyatta International Airport (NBO) to Washington Dulles International Airport (IAD)・12,187 km

No nonstop flights. The fastest connection is via New York (JFK), about 15h 22m of flying time (layover not included).

With milesANA 35,000 miles+ (via ADD)JAL 45,000 miles+ (via CDG)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

18 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.