Miles between Boise, ID and Spencer, IA

There are
1,382 mi
from Boise, ID to Spencer, IA

That's the driving distance. It would take 23 hours 51 mins to go from Boise, Idaho to Spencer, Iowa.

The flight distance (direct flight from Boise, ID to Spencer, IA) is 1,056.94 mi.

1,382 mi = 1.61 kms