Are there nonstop flights from Washington (IAD) to Plaine Magnien (MRU)?

No. The fastest connection is via Madrid, about 19h 6m of total flying time.

What is the fastest connection from Washington (IAD) to Plaine Magnien (MRU)?

via Madrid ≈ 19h 6m, via Addis Ababa ≈ 19h 9m, via Rome ≈ 19h 19m (estimated flying time, excluding layovers).

from 35,000 ANA miles, from 47,000 JAL miles (economy, one way, based on the published award charts).

Washington Dulles International Airport (IAD) to Sir Seewoosagur Ramgoolam International Airport (MRU)・15,278 km

No nonstop flights. The fastest connection is via Madrid (MAD), about 19h 6m of flying time (layover not included).

With milesANA 35,000 miles+ (via ADD)JAL 47,000 miles+ (via CDG)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

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.