The western terminus of State Route 619 is at an interchange with the Interstate 76/U.S.

Its eastern terminus is at State Route 183 in Lexington Township, just north of Alliance.

State Route 619 travels through Summit and Stark Counties.

[2] First designated in 1937, SR 619 has generally followed the Barberton-to-Alliance alignment that it maintains today since its inception.

With the exception of some minor re-alignments in Barberton, the highway has not seen any other significant changes since making its first appearance.