Are there nonstop flights from Plaine Magnien (MRU) to London (STN)?

No. The fastest connection is via Zurich, about 12h 30m of total flying time.

What is the fastest connection from Plaine Magnien (MRU) to London (STN)?

via Zurich ≈ 12h 30m, via Milan ≈ 12h 31m, via Rome ≈ 12h 31m (estimated flying time, excluding layovers).

from 30,000 ANA miles, from 45,000 JAL miles (economy, one way, based on the published award charts).

Sir Seewoosagur Ramgoolam International Airport (MRU) to London Stansted Airport (STN)・9,774 km

No nonstop flights. The fastest connection is via Zurich (ZRH), about 12h 30m of flying time (layover not included).

With milesANA 30,000 miles+ (via IST)JAL 45,000 miles+ (via DXB)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

10 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.