Miles between Stamford, CT and Sidney, OH

There are
645 mi
from Stamford, CT to Sidney, OH

That's the driving distance. It would take 12 hours 26 mins to go from Stamford, Connecticut to Sidney, Ohio.

The flight distance (direct flight from Stamford, CT to Sidney, OH) is 558.57 mi.

645 mi = 1,038.73 kms