Are there nonstop flights from Accra (ACC) to Nairobi (NBO)?

Yes. Kenya Airways fly this route. Flight time is about 5h 26m.

What is the fastest connection from Accra (ACC) to Nairobi (NBO)?

via Entebbe ≈ 5h 56m, via Lomé ≈ 5h 58m, via Lagos ≈ 5h 58m (estimated flying time, excluding layovers).

from 17,500 ANA miles (economy, one way, based on the published award charts).

Kotoka International Airport (ACC) to Jomo Kenyatta International Airport (NBO)・4,191 km

Nonstop flights available (1 airline). Flight time about 5h 26m. Nonstop return flights also operate.

With milesANA 17,500 miles+ (via ADD)Economy, one way, estimate. Tap a connection for miles by cabin.

12 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.