Are there nonstop flights from Detroit (DTW) to Rapid City (RAP)?

No. The fastest connection is via Chicago, about 2h 55m of total flying time.

What is the fastest connection from Detroit (DTW) to Rapid City (RAP)?

via Chicago ≈ 2h 55m, via Minneapolis ≈ 2h 55m, via Denver ≈ 3h 41m (estimated flying time, excluding layovers).

from 15,000 ANA miles, from 15,000 JAL miles (economy, one way, based on the published award charts).

Detroit Metropolitan Wayne County Airport (DTW) to Rapid City Regional Airport (RAP)・1,608 km

No nonstop flights. The fastest connection is via Chicago (ORD), about 2h 55m of flying time (layover not included).

With milesANA 15,000 miles+ (via ORD)JAL 15,000 miles+ (via CLT)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.