Are there nonstop flights from Maui (Kahului) (OGG) to Calgary (YYC)?

Yes. WestJet fly this route. Flight time is about 6h 21m.

What is the fastest connection from Maui (Kahului) (OGG) to Calgary (YYC)?

via Seattle ≈ 6h 51m, via Vancouver ≈ 6h 52m, via Portland ≈ 6h 53m (estimated flying time, excluding layovers).

from 23,000 JAL miles, from 23,500 ANA miles (economy, one way, based on the published award charts).

Kahului International Airport (OGG) to Calgary International Airport (YYC)・4,973 km

Nonstop flights available (1 airline). Flight time about 6h 21m. Nonstop return flights also operate.

With milesJAL 23,000 miles+ (via SEA)ANA 23,500 miles+ (via YVR)Economy, one way, estimate. Tap a connection for miles by cabin.

17 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.