Are there nonstop flights from Arusha (JRO) to Newark (EWR)?

No. The fastest connection is via Milan, about 15h 47m of total flying time.

What is the fastest connection from Arusha (JRO) to Newark (EWR)?

via Milan ≈ 15h 47m, via Paris ≈ 15h 47m, via Addis Ababa ≈ 15h 51m (estimated flying time, excluding layovers).

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

Kilimanjaro International Airport (JRO) to Newark Liberty International Airport (EWR)・12,037 km

No nonstop flights. The fastest connection is via Milan (MXP), about 15h 47m 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.

8 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.