There are
1,026 mi
from Chattanooga, TN to Somerville, MA
That's the driving distance. It would take 19 hours 54 mins to go from Chattanooga, Tennessee to Somerville, Massachusetts.
The flight distance (direct flight from Chattanooga, TN to Somerville, MA) is 916.88 mi.
1,026 mi = 1,651.50 kms