Continuing to serve in the trenches around Atlanta and fought at the Battle of Jonesborough. After the city fell into Union hands on 2 September, the regiment served as part of the occupation force. From November to December they participated in the March to the Sea and besieged Savannah, Georgia. Then they embarked on the Carolinas Campaign at the end of January 1865 and participated in the capture of Columbia, South Carolina, on 17 February. As the army advanced into South Carolina they met with no serious resistance but continually skirmished with militia and scattered Confederate forces. In North Carolina they were lightly engaged in the Battle of Bentonville on 10 March and were present at Durham Station, North Carolina, when Joseph E. Johnston surrendered the troops under his command. With the rest of Sherman's army, they marched northward through the former Confederate capital of Richmond, Virginia, and encamped outside Washington, D.C. on 19 May. Five days later the 111th participated in the Grand Review of the Armies.