Are there nonstop flights from London (LGW) to Kansas City (MCI)?

No. The fastest connection is via Boston, about 9h 34m of total flying time.

What is the fastest connection from London (LGW) to Kansas City (MCI)?

via Boston ≈ 9h 34m, via New York ≈ 9h 39m, via Orlando ≈ 11h 16m (estimated flying time, excluding layovers).

from 40,000 JAL miles (economy, one way, based on the published award charts).

London Gatwick Airport (LGW) to Kansas City International Airport (MCI)・6,998 km

No nonstop flights. The fastest connection is via Boston (BOS), about 9h 34m of flying time (layover not included).

With milesJAL 40,000 miles+ (via CUN)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

6 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.