Are there nonstop flights from Tokyo (NRT) to Cheongju (CJJ)?

Yes. Aero K fly this route. Flight time is about 1h 52m.

What is the fastest connection from Tokyo (NRT) to Cheongju (CJJ)?

via Nagoya ≈ 2h 25m, via Osaka ≈ 2h 28m, via Hiroshima ≈ 2h 28m (estimated flying time, excluding layovers).

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

Narita International Airport (NRT) to Cheongju International Airport/Cheongju Air Base (K-59/G-513) (CJJ)・1,160 km

Nonstop flights available (1 airline). Flight time about 1h 52m. Nonstop return flights also operate.

With milesJAL 15,000 miles+ (via CJU)Economy, one way, estimate. Tap a connection for miles by cabin.

11 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.