Honokaa is located on the Big Island's Hamakua Coast

Degrees

Lat: 20.073852
Lon: -155.47162

Degrees, Minutes, Seconds

Lat: 20ƒ 4' 25" N
Lon: 155ƒ 28' 17" W

Map and locator information from Mapblast, which was recently taken over by Microsoft.
They have zoomable, resizeable maps of all kinds of places there.

Driving Distances from Honokaa (approximate):

Waimea/Kamuela - 20 miles (25 min.)
Kohala - 35 miles (65 min.)
Kawaihae - 30 miles (45 min.)
Kailua-Kona - 56 miles (90 min.)

Hilo - 42 miles (50 min.)
Volcano - 60(?) miles (80 min.)